Alert archive / Montana / Winter Storm Warnings in 2021
Winter Storm Warning 12, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Dec 17, 2021, 1:20 PM MST for 11 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Dec 18, 2021, 11:00 AM MST. It was in force for 42 hr. 32 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 17, 2021, 1:20 PM MST (20:20 UTC)
- In effect from
- Dec 18, 2021, 11:00 AM MST
- Expired
- Dec 20, 2021, 5:00 AM MST
- In force
- 42 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 22 km from the middle of the area, began a volume at 20:21 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 18, 5:20 PM MST | SNOW 3.1 | 1 Sw Columbia Falls, MT | |
| Dec 18, 5:46 PM MST | SNOW 4 | Libby, MT | |
| Dec 18, 9:40 PM MST | SNOW 6 | 9 Nne Yaak, MT | CO-OP OBSERVER STATION YAKM8 9.0 NE YAAK. |
| Dec 19, 12:27 AM MST | HEAVY SNOW 12 | 1 Sw Rexford, MT | |
| Dec 19, 2:00 AM MST | FREEZING RAIN 0.01 | 1 Sw La Salle, MT | |
| Dec 19, 2:00 AM MST | HEAVY SNOW 11 | 13 Nne Libby, MT | BANFIELD MTN SNOTEL AT 5600 FT. SNOW DEPTH IS 28 INCHES. |
| Dec 19, 5:00 AM MST | SNOW 4.5 | 1 Sw Blacktail - Railro, MT | MESONET STATION SH4MT SHED 4. |
| Dec 19, 5:18 AM MST | HEAVY SNOW 6 | 1 W Libby, MT | |
| Dec 19, 6:00 AM MST | SNOW 3 | 4 Se Essex, MT | MESONET STATION JVEMT JAVA EAST. 24 HOUR SNOWFALL. |
| Dec 19, 6:00 AM MST | SNOW 5.6 | 4 Se Essex, MT | MESONET STATION S11MT SHED 11. |
| Dec 19, 6:00 AM MST | SNOW 6 | 5 N Whitefish, MT | BIG MOUNTAIN SKI RESORT. MEASURED OVERNIGHT. |
| Dec 19, 6:00 AM MST | HEAVY SNOW 7.2 | 5 Ene Blacktail - Railr, MT | MESONET STATION MRPMT MARIAS PASS. IN THE LAST 12 HOURS. WINDS GUSTING TO 31 MPH. |
| Dec 19, 6:01 AM MST | SNOW 12 | 6 Ne Noxon, MT | MESONET STATION CHIM8 CHICAGO RIDGE MET STATION. |
| Dec 19, 6:36 AM MST | HEAVY SNOW 15 | 5 Nw East Portal, MT | SKI RESORT SNOWFALL REPORT. THE MULLAN PASS ASOS REPORTED 1.49 INCHES OF SNOW WATER EQUIVALENT IN THE LAST 24 HOURS. |
| Dec 19, 7:00 AM MST | SNOW 1 | 3 S White Pine, MT | COCORAHS STATION MT-SN-4 3 S WHITE PINE. |
| Dec 19, 7:00 AM MST | SNOW 2.2 | 1 Se Marion, MT | COCORAHS STATION MT-FH-12 1 ESE MARION. |
| Dec 19, 7:00 AM MST | HEAVY SNOW 10 | Troy, MT | |
| Dec 19, 7:30 AM MST | SNOW 3 | Saint Regis, MT | FROM FACEBOOK REPORT. |
| Dec 19, 8:00 AM MST | SNOW 1.1 | 2 Se Condon, MT | COCORAHS STATION MT-MS-27 CONDON 2.4 SE. |
| Dec 19, 8:00 AM MST | SNOW 1.6 | 3 Wnw Kalispell, MT | COCORAHS STATION MT-FH-30 2 WNW KALISPELL. |
| Dec 19, 8:00 AM MST | SNOW 2.5 | 11 E Libby, MT | CO-OP OBSERVER STATION LIBM8 LIBBY 12 E. |
| Dec 19, 8:00 AM MST | SNOW 4.7 | 3 Sw Ovando, MT | COCORAHS STATION MT-PW-3 2 WSW OVANDO. |
| Dec 19, 8:22 AM MST | FREEZING RAIN 0.1 | 6 Nw Missoula, MT | EVERYTHING IS COVERED IN ICE. |
| Dec 19, 9:00 AM MST | SNOW 2 | 2 Ne Orofino, ID | |
| Dec 19, 9:00 AM MST | SNOW 4 | 3 Ese Tuscor, MT | COCORAHS STATION MT-SN-6 TROUT CREEK 4.0 NNW. |
| Dec 19, 10:00 AM MST | FREEZING RAIN 0.01 | Frenchtown, MT | FACEBOOK REPORT. EVERYTHING COVERED IN ICE. |
| Dec 19, 10:30 AM MST | SNOW 3 | Elk River, ID | A TREE FELL ONTO A POWER LINE AND CAUSED A POWER OUTAGE IN THE ELK RIVER AREA. |
| Dec 19, 12:00 PM MST | SNOW 4 | 6 Nnw Rexford, MT | |
| Dec 19, 12:20 PM MST | SNOW 7.5 | 9 Sse Libby, MT | |
| Dec 19, 1:00 PM MST | SNOW 7 | 16 Nnw Marion, MT | HAND CREEK SNOTEL. SNOW DEPTH IS 19 INCHES. |
| Dec 19, 1:04 PM MST | SNOW 8 | Happys Inn, MT | LAST 24 HOUR SNOWFALL. |
| Dec 19, 1:06 PM MST | SNOW 7 | Essex, MT | WET SNOW. SNOW DEPTH IS AROUND 25 INCHES. THEY ARE GETTING PERIODS OF LIGHT SNOW WITH NO WIND. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 8.3 hours before the alert went out and 185 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1677 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
549 WWUS45 KMSO 172020 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 120 PM MST Fri Dec 17 2021 MTZ002-182030- /O.NEW.KMSO.WS.W.0012.211218T1800Z-211220T1200Z/ West Glacier Region- 120 PM MST Fri Dec 17 2021 ...WINTER STORM WARNING IN EFFECT FROM 11 AM SATURDAY TO 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 3 to 6 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-182030- /O.NEW.KMSO.WS.A.0008.211219T0000Z-211220T1200Z/ Kootenai/Cabinet Region- 120 PM MST Fri Dec 17 2021 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 3 to 7 inches in the valleys and 7 to 13 inches in the higher terrain. Ice accumulations of a light glaze possible. * WHERE...Highway 2 Kalispell to Idaho border, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From Saturday afternoon through late Sunday night. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ MTZ004-182030- /O.NEW.KMSO.WS.A.0008.211219T0000Z-211220T1200Z/ Lower Clark Fork Region- 120 PM MST Fri Dec 17 2021 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 2 to 6 inches along I-90 St. Regis to Huson and Highway 200 corridor. 6 to 15 inches from St. Regis to Lookout Pass. Lookout Pass could see 16 to 24 inches. Ice accumulations of a light glaze possible. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From Saturday afternoon through late Sunday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
13 follow-up statements
059 WWUS45 KMSO 180224 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 724 PM MST Fri Dec 17 2021 MTZ002-190230- /O.CON.KMSO.WS.W.0012.211218T1800Z-211220T1200Z/ West Glacier Region- 724 PM MST Fri Dec 17 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 3 to 6 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-190230- /O.EXB.KMSO.WS.A.0008.211219T0600Z-211220T1200Z/ Northern Clearwater Mountains- 624 PM PST Fri Dec 17 2021 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 10 to 18 inches possible. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ MTZ001-190230- /O.EXT.KMSO.WS.A.0008.211218T1800Z-211220T1200Z/ Kootenai/Cabinet Region- 724 PM MST Fri Dec 17 2021 ...WINTER STORM WATCH NOW IN EFFECT FROM SATURDAY MORNING THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 5 to 10 inches in the valleys, 8 to 16 inches in the Purcell Mountains, and 18 to 30 inches in the Cabinet Mountains. Ice accumulations of a light glaze possible. * WHERE...Highway 2 Kalispell to Idaho border, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From Saturday morning through late Sunday night. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ MTZ004-190230- /O.EXT.KMSO.WS.A.0008.211218T1800Z-211220T1200Z/ Lower Clark Fork Region- 724 PM MST Fri Dec 17 2021 ...WINTER STORM WATCH NOW IN EFFECT FROM SATURDAY MORNING THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 3 to 7 inches along I-90 St. Regis to Huson and Highway 200 corridor, 6 to 15 inches from St. Regis to Lookout Pass, and 16 to 24 inches over Lookout Pass. Ice accumulations of a light glaze possible. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From Saturday morning through late Sunday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
135 WWUS45 KMSO 181002 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 302 AM MST Sat Dec 18 2021 MTZ001-191015- /O.UPG.KMSO.WS.A.0008.211218T1800Z-211220T1200Z/ /O.EXA.KMSO.WS.W.0012.211218T1800Z-211220T1200Z/ Kootenai/Cabinet Region- 302 AM MST Sat Dec 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 5 to 10 inches in the valleys, 9 to 18 inches in the Purcell Mountains and 18 to 30 inches in the Cabinet Mountains. Ice accumulations of a light glaze. Sunday morning valley precipitation is forecast to lighten up and may change to freezing rain or drizzle. Snow will return over night Sunday. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-191015- /O.UPG.KMSO.WS.A.0008.211218T1800Z-211220T1200Z/ /O.EXA.KMSO.WS.W.0012.211218T1800Z-211220T1200Z/ Lower Clark Fork Region- 302 AM MST Sat Dec 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 3 to 7 inches along I-90 St. Regis to Huson and Highway 200 corridor, 6 to 15 inches from St. Regis to Lookout Pass, 16 to 24 inches over Lookout Pass. Ice accumulations of a light glaze possible. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-191015- /O.CON.KMSO.WS.W.0012.211218T1800Z-211220T1200Z/ West Glacier Region- 302 AM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 3 to 6 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-191015- /O.CON.KMSO.WS.A.0008.211219T0600Z-211220T1200Z/ Northern Clearwater Mountains- 202 AM PST Sat Dec 18 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 10 to 18 inches possible. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
090 WWUS45 KMSO 181444 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 744 AM MST Sat Dec 18 2021 MTZ001-191445- /O.CON.KMSO.WS.W.0012.211218T1800Z-211220T1200Z/ Kootenai/Cabinet Region- 744 AM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 5 to 10 inches in the valleys, 9 to 18 inches in the Purcell Mountains and 18 to 30 inches in the Cabinet Mountains. Ice accumulations of a light glaze. Sunday morning valley precipitation is forecast to lighten up and may change to freezing rain or drizzle. Snow will return over night Sunday. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-191445- /O.CON.KMSO.WS.W.0012.211218T1800Z-211220T1200Z/ West Glacier Region- 744 AM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 3 to 6 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-191445- /O.CON.KMSO.WS.W.0012.211218T1800Z-211220T1200Z/ Lower Clark Fork Region- 744 AM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 3 to 7 inches along I-90 St. Regis to Huson and Highway 200 corridor, 6 to 15 inches from St. Regis to Lookout Pass, 16 to 24 inches over Lookout Pass. Ice accumulations of a light glaze possible. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-191445- /O.NEW.KMSO.WW.Y.0071.211218T1444Z-211219T0600Z/ /O.CON.KMSO.WS.A.0008.211219T0600Z-211220T1200Z/ Northern Clearwater Mountains- 644 AM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH LATE SUNDAY NIGHT... * WHAT...For the Winter Weather Advisory, snow. Additional snow accumulations of 3 to 5 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 11 to 16 inches possible. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...For the Winter Weather Advisory, until 10 PM PST this evening. For the Winter Storm Watch, from this evening through late Sunday night. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-190600- /O.NEW.KMSO.WW.Y.0071.211218T1444Z-211219T0600Z/ Southern Clearwater Mountains- 644 AM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Snow. Snow accumulations of 2 to 4 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-190700- /O.NEW.KMSO.WW.Y.0071.211218T1444Z-211219T0700Z/ Flathead/Mission Valleys- 744 AM MST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow. Snow accumulations of 2 to 4 inches. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until midnight MST tonight. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
121 WWUS45 KMSO 182138 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 238 PM MST Sat Dec 18 2021 IDZ005-192145- /O.UPG.KMSO.WS.A.0008.211219T0600Z-211220T1200Z/ /O.EXB.KMSO.WS.W.0012.211219T0600Z-211220T1200Z/ /O.CON.KMSO.WW.Y.0071.000000T0000Z-211219T0600Z/ Northern Clearwater Mountains- 138 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 12 to 18 inches. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...For the Winter Storm Warning, from 10 PM this evening to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-192145- /O.EXB.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ /O.CON.KMSO.WW.Y.0071.000000T0000Z-211219T0600Z/ Southern Clearwater Mountains- 138 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WARNING IN EFFECT FROM 4 AM SUNDAY TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 8 inches at low elevations including Lowell, and close to 2 feet near Lolo Pass. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...For the Winter Storm Warning, from 4 AM Sunday to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-192145- /O.EXB.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ Bitterroot/Sapphire Mountains- 238 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 5 AM SUNDAY TO 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches, and close to 2 feet of snow for Lolo Pass. * WHERE...Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-192145- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Kootenai/Cabinet Region- 238 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 5 to 10 inches in the valleys, 9 to 18 inches in the Purcell Mountains and 18 to 30 inches in the Cabinet Mountains. Ice accumulations of a light glaze. Sunday morning valley precipitation is forecast to lighten up and may change to freezing rain or drizzle. Snow will return over night Sunday. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-192145- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ West Glacier Region- 238 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 6 to 8 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-192145- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Lower Clark Fork Region- 238 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 4 to 7 inches along I-90 St. Regis to Huson and Highway 200 corridor, 6 to 15 inches from St. Regis to Lookout Pass, 16 to 24 inches over Lookout Pass. Ice accumulations of a light glaze possible in the lower elevations. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-192145- /O.NEW.KMSO.WW.Y.0072.211219T1200Z-211219T1800Z/ /O.NEW.KMSO.WS.A.0009.211219T1800Z-211220T1200Z/ Missoula/Bitterroot Valleys- 238 PM MST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 11 AM MST SUNDAY... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING... * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations of 1 to 2 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 4 to 7 inches possible and east winds gusting up to 30 mph Sunday afternoon or evening. * WHERE...Missoula/Bitterroot Valleys. * WHEN...For the Winter Weather Advisory, from 5 AM to 11 AM MST Sunday. For the Winter Storm Watch, from Sunday morning through Monday morning. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-043-192145- /O.NEW.KMSO.WW.Y.0072.211219T1200Z-211219T1800Z/ /O.NEW.KMSO.WS.A.0009.211219T1800Z-211220T1200Z/ Butte/Blackfoot Region-Potomac/Seeley Lake Region- 238 PM MST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 11 AM MST SUNDAY... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT... * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations of 1 to 3 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 5 to 8 inches possible north of Interstate 90. * WHERE...Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, MacDonald Pass, Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...For the Winter Weather Advisory, from 5 AM to 11 AM MST Sunday. For the Winter Storm Watch, from Sunday morning through late Sunday night. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-192145- /O.NEW.KMSO.WW.Y.0072.211219T1200Z-211220T1200Z/ Orofino/Grangeville Region- 138 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM SUNDAY TO 4 AM PST MONDAY... * WHAT...Mixed precipitation expected. Total snow accumulations of 5 to 7 inches for Grangeville and vicinity, 2 to 4 for the lower elevations, and ice accumulations of a light glaze. Patchy blowing snow. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...From 4 AM Sunday to 4 AM PST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-192145- /O.NEW.KMSO.WW.Y.0072.211219T1200Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 138 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM SUNDAY TO 4 AM PST MONDAY ABOVE 3500 FEET... * WHAT...Snow expected above 3500 feet. Total snow accumulations of 5 to 7 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 4 AM Sunday to 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-192145- /O.EXT.KMSO.WW.Y.0071.000000T0000Z-211220T1200Z/ Flathead/Mission Valleys- 238 PM MST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Snow. Snow accumulations of 3 to 6 inches. Wind shift to north and northeasterly with dropping temperatures and blowing snow by Sunday afternoon in the Flathead Valley and Sunday afternoon or evening in the Mission Valley. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
485 WWUS45 KMSO 190024 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 524 PM MST Sat Dec 18 2021 MTZ003-200030- /O.UPG.KMSO.WW.Y.0071.000000T0000Z-211220T1200Z/ /O.EXB.KMSO.WS.W.0012.211219T0400Z-211219T1500Z/ /O.EXB.KMSO.WW.Y.0072.211219T1500Z-211220T1200Z/ Flathead/Mission Valleys- 524 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 8 AM MST SUNDAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM SUNDAY TO 5 AM MST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 2 to 5 inches. Low visibility, hazardous travel conditions with blowing snow in the Flathead Valley. For the Winter Weather Advisory, snow expected. Total snow accumulations of up to 2 inches. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...For the Winter Storm Warning, from 9 PM this evening to 8 AM MST Sunday. For the Winter Weather Advisory, from 8 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-200030- /O.EXB.KMSO.WS.W.0012.211219T0400Z-211219T2000Z/ /O.EXT.KMSO.WW.Y.0072.211219T2000Z-211220T1200Z/ Orofino/Grangeville Region- 424 PM PST Sat Dec 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO NOON PST SUNDAY... ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM NOON SUNDAY TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 7 inches. For the Winter Weather Advisory, mixed precipitation expected. Total snow accumulations of up to 2 inches and ice accumulations of a light glaze. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...For the Winter Storm Warning, from 8 PM this evening to noon PST Sunday. For the Winter Weather Advisory, from noon Sunday to 4 AM PST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-200030- /O.CON.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ /O.CON.KMSO.WW.Y.0071.000000T0000Z-211219T0600Z/ Southern Clearwater Mountains- 424 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM SUNDAY TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 8 inches at low elevations including Lowell, and close to 2 feet near Lolo Pass. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...For the Winter Storm Warning, from 4 AM Sunday to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-200030- /O.CON.KMSO.WS.W.0012.211219T0600Z-211220T1200Z/ /O.CON.KMSO.WW.Y.0071.000000T0000Z-211219T0600Z/ Northern Clearwater Mountains- 424 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 12 to 18 inches. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...For the Winter Storm Warning, from 10 PM this evening to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-200030- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Kootenai/Cabinet Region- 524 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 5 to 10 inches in the valleys, 9 to 18 inches in the Purcell Mountains and 18 to 30 inches in the Cabinet Mountains. Ice accumulations of a light glaze. Sunday morning valley precipitation is forecast to lighten up and may change to freezing rain or drizzle. Snow will return over night Sunday. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-200030- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ West Glacier Region- 524 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 6 to 8 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-200030- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Lower Clark Fork Region- 524 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 4 to 7 inches along I-90 St. Regis to Huson and Highway 200 corridor, 6 to 15 inches from St. Regis to Lookout Pass, 16 to 24 inches over Lookout Pass. Ice accumulations of a light glaze possible in the lower elevations. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-200030- /O.CON.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ Bitterroot/Sapphire Mountains- 524 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches, and close to 2 feet of snow for Lolo Pass. * WHERE...Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-200030- /O.CON.KMSO.WW.Y.0072.211219T1200Z-211219T1800Z/ /O.CON.KMSO.WS.A.0009.211219T1800Z-211220T1200Z/ Missoula/Bitterroot Valleys- 524 PM MST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 AM MST SUNDAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT... * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations of 1 to 2 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 4 to 7 inches possible and east winds gusting up to 30 mph Sunday afternoon or evening. * WHERE...Missoula/Bitterroot Valleys. * WHEN...For the Winter Weather Advisory, from 5 AM to 11 AM MST Sunday. For the Winter Storm Watch, from Sunday morning through Monday morning. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-043-200030- /O.CON.KMSO.WW.Y.0072.211219T1200Z-211219T1800Z/ /O.CON.KMSO.WS.A.0009.211219T1800Z-211220T1200Z/ Butte/Blackfoot Region-Potomac/Seeley Lake Region- 524 PM MST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 AM MST SUNDAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT... * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations of 1 to 3 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 5 to 8 inches possible north of Interstate 90. * WHERE...Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, MacDonald Pass, Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...For the Winter Weather Advisory, from 5 AM to 11 AM MST Sunday. For the Winter Storm Watch, from Sunday morning through late Sunday night. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-200030- /O.CON.KMSO.WW.Y.0072.211219T1200Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 424 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM SUNDAY TO 4 AM PST MONDAY ABOVE 3500 FEET... * WHAT...Snow expected above 3500 feet. Total snow accumulations of 5 to 7 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 4 AM Sunday to 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
077 WWUS45 KMSO 190209 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 709 PM MST Sat Dec 18 2021 MTZ005-200215- /O.UPG.KMSO.WW.Y.0072.211219T1200Z-211219T1800Z/ /O.UPG.KMSO.WS.A.0009.211219T1800Z-211220T1200Z/ /O.EXB.KMSO.WW.Y.0071.211219T0600Z-211219T1200Z/ /O.EXA.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ Missoula/Bitterroot Valleys- 709 PM MST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST SUNDAY... ...WINTER STORM WARNING IN EFFECT FROM 5 AM SUNDAY TO 5 AM MST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 8 inches. For the Winter Weather Advisory, snow expected. Total snow accumulations of up to one inch. * WHERE...Missoula/Bitterroot Valleys. * WHEN...For the Winter Storm Warning, from 5 AM Sunday to 5 AM MST Monday. For the Winter Weather Advisory, from 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-200215- /O.UPG.KMSO.WW.Y.0072.211219T1200Z-211219T1800Z/ /O.UPG.KMSO.WS.A.0009.211219T1800Z-211220T1200Z/ /O.EXB.KMSO.WW.Y.0071.211219T0600Z-211219T1200Z/ /O.EXA.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ Potomac/Seeley Lake Region- 709 PM MST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST SUNDAY... ...WINTER STORM WARNING IN EFFECT FROM 5 AM SUNDAY TO 5 AM MST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 7 to 13 inches. For the winter weather advisory, 1 to 3 inches. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...For the Winter Storm Warning, from 5 AM Sunday to 5 AM MST Monday. For the Winter Weather Advisory, from 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-200215- /O.UPG.KMSO.WW.Y.0072.211219T1200Z-211219T1800Z/ /O.UPG.KMSO.WS.A.0009.211219T1800Z-211220T1200Z/ /O.EXA.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ Butte/Blackfoot Region- 709 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 5 AM SUNDAY TO 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 11 inches. Heaviest snow north of I-90 and US Highway 12. Very difficult winter travel conditions. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-200215- /O.CON.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ /O.CON.KMSO.WW.Y.0071.000000T0000Z-211219T0600Z/ Southern Clearwater Mountains- 609 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM SUNDAY TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 8 inches at low elevations including Lowell, and close to 2 feet near Lolo Pass. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...For the Winter Storm Warning, from 4 AM Sunday to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-200215- /O.CON.KMSO.WS.W.0012.211219T0600Z-211220T1200Z/ /O.CON.KMSO.WW.Y.0071.000000T0000Z-211219T0600Z/ Northern Clearwater Mountains- 609 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 12 to 18 inches. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...For the Winter Storm Warning, from 10 PM this evening to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-200215- /O.CON.KMSO.WS.W.0012.211219T0400Z-211219T1500Z/ /O.CON.KMSO.WW.Y.0072.211219T1500Z-211220T1200Z/ Flathead/Mission Valleys- 709 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST SUNDAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM SUNDAY TO 5 AM MST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 2 to 5 inches. Low visibility, hazardous travel conditions with blowing snow in the Flathead Valley. For the Winter Weather Advisory, snow expected. Total snow accumulations of up to 2 inches. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...For the Winter Storm Warning, from 9 PM this evening to 8 AM MST Sunday. For the Winter Weather Advisory, from 8 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-200215- /O.CON.KMSO.WS.W.0012.211219T0400Z-211219T2000Z/ /O.CON.KMSO.WW.Y.0072.211219T2000Z-211220T1200Z/ Orofino/Grangeville Region- 609 PM PST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON PST SUNDAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 7 inches. For the Winter Weather Advisory, mixed precipitation expected. Total snow accumulations of up to 2 inches and ice accumulations of a light glaze. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...For the Winter Storm Warning, from 8 PM this evening to noon PST Sunday. For the Winter Weather Advisory, from noon Sunday to 4 AM PST Monday. * IMPACTS...Travel could be very difficult. Heavy wet snow could lead to power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-200215- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Kootenai/Cabinet Region- 709 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 5 to 10 inches in the valleys, 9 to 18 inches in the Purcell Mountains and 18 to 30 inches in the Cabinet Mountains. Ice accumulations of a light glaze. Sunday morning valley precipitation is forecast to lighten up and may change to freezing rain or drizzle. Snow will return over night Sunday. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-200215- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ West Glacier Region- 709 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 6 to 8 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-200215- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Lower Clark Fork Region- 709 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 4 to 7 inches along I-90 St. Regis to Huson and Highway 200 corridor, 6 to 15 inches from St. Regis to Lookout Pass, 16 to 24 inches over Lookout Pass. Ice accumulations of a light glaze possible in the lower elevations. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-200215- /O.CON.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ Bitterroot/Sapphire Mountains- 709 PM MST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches, and close to 2 feet of snow for Lolo Pass. * WHERE...Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-200215- /O.CON.KMSO.WW.Y.0072.211219T1200Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 609 PM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM SUNDAY TO 4 AM PST MONDAY ABOVE 3500 FEET... * WHAT...Snow expected above 3500 feet. Total snow accumulations of 5 to 7 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 4 AM Sunday to 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
597 WWUS45 KMSO 191111 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 411 AM MST Sun Dec 19 2021 MTZ005-201115- /O.CAN.KMSO.WW.Y.0071.000000T0000Z-211219T1200Z/ /O.EXT.KMSO.WS.W.0012.211219T1111Z-211220T1200Z/ Missoula/Bitterroot Valleys- 411 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST MONDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Heavy snow expected. Freezing rain will continue for areas north of Florence, MT through 7am, before changing to snow. Total snow accumulations of 4 to 8 inches and ice up to a light glaze. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-201115- /O.CON.KMSO.WS.W.0012.000000T0000Z-211219T1500Z/ /O.CON.KMSO.WW.Y.0072.211219T1500Z-211220T1200Z/ Flathead/Mission Valleys- 411 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 AM MST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 2 to 5 inches. Low visibility, hazardous travel conditions with blowing snow in the Flathead Valley. For the Winter Weather Advisory, snow expected. Total snow accumulations of up to 2 inches. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...For the Winter Storm Warning, from 9 PM this evening to 8 AM MST Sunday. For the Winter Weather Advisory, from 8 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-201115- /O.CON.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ /O.CON.KMSO.WW.Y.0071.000000T0000Z-211219T1200Z/ Potomac/Seeley Lake Region- 411 AM MST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 7 to 13 inches. For the winter weather advisory, 1 to 3 inches. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...For the Winter Storm Warning, from 5 AM Sunday to 5 AM MST Monday. For the Winter Weather Advisory, from 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-201115- /O.CON.KMSO.WS.W.0012.000000T0000Z-211219T2000Z/ /O.CON.KMSO.WW.Y.0072.211219T2000Z-211220T1200Z/ Orofino/Grangeville Region- 311 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON PST TODAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 7 inches. For the Winter Weather Advisory, mixed precipitation expected. Total snow accumulations of up to 2 inches and ice accumulations of a light glaze. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...For the Winter Storm Warning, from 8 PM this evening to noon PST Sunday. For the Winter Weather Advisory, from noon Sunday to 4 AM PST Monday. * IMPACTS...Travel could be very difficult. Heavy wet snow could lead to power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-201115- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Kootenai/Cabinet Region- 411 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 5 to 10 inches in the valleys, 9 to 18 inches in the Purcell Mountains and 18 to 30 inches in the Cabinet Mountains. Ice accumulations of a light glaze. Sunday morning valley precipitation is forecast to lighten up and may change to freezing rain or drizzle. Snow will return over night Sunday. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-201115- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ West Glacier Region- 411 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 6 to 8 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-201115- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Northern Clearwater Mountains- 311 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 12 to 18 inches. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...For the Winter Storm Warning, from 10 PM this evening to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-201115- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Lower Clark Fork Region- 411 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 4 to 7 inches along I-90 St. Regis to Huson and Highway 200 corridor, 6 to 15 inches from St. Regis to Lookout Pass, 16 to 24 inches over Lookout Pass. Ice accumulations of a light glaze possible in the lower elevations. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-201115- /O.CON.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ Southern Clearwater Mountains- 311 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 8 inches at low elevations including Lowell, and close to 2 feet near Lolo Pass. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...For the Winter Storm Warning, from 4 AM Sunday to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-201115- /O.CON.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ Bitterroot/Sapphire Mountains- 411 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches, and close to 2 feet of snow for Lolo Pass. * WHERE...Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-201115- /O.CON.KMSO.WS.W.0012.211219T1200Z-211220T1200Z/ Butte/Blackfoot Region- 411 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 11 inches. Heaviest snow north of I-90 and US Highway 12. Very difficult winter travel conditions. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-201115- /O.CON.KMSO.WW.Y.0072.211219T1200Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 311 AM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... * WHAT...Snow expected above 3500 feet. Total snow accumulations of 5 to 7 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 4 AM Sunday to 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
928 WWUS45 KMSO 191334 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 634 AM MST Sun Dec 19 2021 MTZ001-191445- /O.CAN.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Kootenai/Cabinet Region- 634 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING IS CANCELLED... Snow has ended in the region, though roads remain slick so take care traveling this morning. $$ MTZ003-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211219T1500Z/ /O.CON.KMSO.WW.Y.0072.211219T1500Z-211220T1200Z/ Flathead/Mission Valleys- 634 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 2 to 5 inches. Low visibility, hazardous travel conditions with blowing snow in the Flathead Valley. For the Winter Weather Advisory, snow expected. Total snow accumulations of up to 2 inches. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...For the Winter Storm Warning, from 9 PM this evening to 8 AM MST Sunday. For the Winter Weather Advisory, from 8 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211219T2000Z/ /O.CON.KMSO.WW.Y.0072.211219T2000Z-211220T1200Z/ Orofino/Grangeville Region- 534 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON PST TODAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 7 inches. For the Winter Weather Advisory, mixed precipitation expected. Total snow accumulations of up to 2 inches and ice accumulations of a light glaze. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...For the Winter Storm Warning, from 8 PM this evening to noon PST Sunday. For the Winter Weather Advisory, from noon Sunday to 4 AM PST Monday. * IMPACTS...Travel could be very difficult. Heavy wet snow could lead to power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ West Glacier Region- 634 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 6 to 8 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Northern Clearwater Mountains- 534 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 12 to 18 inches. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...For the Winter Storm Warning, from 10 PM this evening to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Lower Clark Fork Region- 634 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 4 to 7 inches along I-90 St. Regis to Huson and Highway 200 corridor, 6 to 15 inches from St. Regis to Lookout Pass, 16 to 24 inches over Lookout Pass. Ice accumulations of a light glaze possible in the lower elevations. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Southern Clearwater Mountains- 534 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 8 inches at low elevations including Lowell, and close to 2 feet near Lolo Pass. For the Winter Weather Advisory, snow. Snow accumulations of 1 to 3 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...For the Winter Storm Warning, from 4 AM Sunday to 4 AM PST Monday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Bitterroot/Sapphire Mountains- 634 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches, and close to 2 feet of snow for Lolo Pass. * WHERE...Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Potomac/Seeley Lake Region- 634 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 7 to 13 inches. For the winter weather advisory, 1 to 3 inches. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...For the Winter Storm Warning, from 5 AM Sunday to 5 AM MST Monday. For the Winter Weather Advisory, from 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Missoula/Bitterroot Valleys- 634 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Freezing rain will continue for areas north of Florence, MT through 7am, before changing to snow. Total snow accumulations of 4 to 8 inches and ice up to a light glaze. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Butte/Blackfoot Region- 634 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 11 inches. Heaviest snow north of I-90 and US Highway 12. Very difficult winter travel conditions. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-201200- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 534 AM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... * WHAT...Snow expected above 3500 feet. Total snow accumulations of 5 to 7 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 4 AM Sunday to 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
400 WWUS45 KMSO 191455 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 755 AM MST Sun Dec 19 2021 MTZ003-201200- /O.EXP.KMSO.WS.W.0012.000000T0000Z-211219T1500Z/ /O.CON.KMSO.WW.Y.0072.211219T1500Z-211220T1200Z/ Flathead/Mission Valleys- 755 AM MST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... ...WINTER STORM WARNING WILL EXPIRE AT 8 AM MST THIS MORNING... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...For the Winter Storm Warning, from 9 PM this evening to 8 AM MST Sunday. For the Winter Weather Advisory, from 8 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211219T2000Z/ /O.CON.KMSO.WW.Y.0072.211219T2000Z-211220T1200Z/ Orofino/Grangeville Region- 655 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON PST TODAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 7 inches. For the Winter Weather Advisory, mixed precipitation expected. Total snow accumulations of up to 2 inches and ice accumulations of a light glaze. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...For the Winter Storm Warning, from 8 PM this evening to noon PST Sunday. For the Winter Weather Advisory, from noon Sunday to 4 AM PST Monday. * IMPACTS...Travel could be very difficult. Heavy wet snow could lead to power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ West Glacier Region- 755 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 8 inches in the valleys and 6 to 12 inches on the mountain passes, with accumulations reaching 12 to 18 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 11 AM Saturday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Northern Clearwater Mountains- 655 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 12 to 18 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...For the Winter Storm Warning, from 10 PM this evening to 4 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Lower Clark Fork Region- 755 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 4 to 7 inches along I-90 St. Regis to Huson and Highway 200 corridor, 6 to 15 inches from St. Regis to Lookout Pass, 16 to 24 inches over Lookout Pass. Ice accumulations of a light glaze possible in the lower elevations. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 11 AM this morning to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Southern Clearwater Mountains- 655 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 4 to 8 inches at low elevations including Lowell, and close to 2 feet near Lolo Pass. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...For the Winter Storm Warning, from 4 AM Sunday to 4 AM PST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Bitterroot/Sapphire Mountains- 755 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches, and close to 2 feet of snow for Lolo Pass. * WHERE...Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Potomac/Seeley Lake Region- 755 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 7 to 13 inches. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...For the Winter Storm Warning, from 5 AM Sunday to 5 AM MST Monday. For the Winter Weather Advisory, from 11 PM this evening to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Missoula/Bitterroot Valleys- 755 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Light freezing rain, mixed with light snow will continue for areas north of Florence, MT into Missoula, through this morning. Moderate to heavy snow will develop later this afternoon when the arctic boundary approaches. Total snow accumulations of 4 to 8 inches and ice up to a light glaze expected through Monday morning. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Butte/Blackfoot Region- 755 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 11 inches. Heaviest snow north of I-90 and US Highway 12. Very difficult winter travel conditions. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...From 5 AM Sunday to 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-201200- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 655 AM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... * WHAT...Snow expected above 3500 feet. Total snow accumulations of 5 to 7 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 4 AM Sunday to 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
532 WWUS45 KMSO 191756 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 1056 AM MST Sun Dec 19 2021 IDZ007-201200- /O.CAN.KMSO.WS.W.0012.000000T0000Z-211219T2000Z/ /O.EXT.KMSO.WW.Y.0072.211219T1800Z-211220T1200Z/ Orofino/Grangeville Region- 956 AM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM PST MONDAY... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Mixed precipitation. Total snow accumulations of 1 to 2 inches from Orofino to Kooskia, up to 4 inches for Grangeville and vicinity. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-201800- /O.UPG.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ /O.EXB.KMSO.WS.W.0012.211219T1800Z-211220T1800Z/ Flathead/Mission Valleys- 1056 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Flash Freeze expected. An arctic front will bring strong gusty east winds and drastically cooling temperatures. Flash freeze on area roads are expected later this morning for Kalispell and early afternoon south of Flathead Lake. Heavy snow expected this evening in the Mission Valley, then Flathead Valley by early morning. Total snow accumulations of 3 to 5 inches, with isolated totals in excess of 6 inches by Monday afternoon. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ West Glacier Region- 1056 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 4 to 6 inches in the valleys and 6 to 8 inches on the mountain passes, with accumulations reaching 12 inches on the higher terrain. Ice accumulations of a light glaze. Blowing snow is also expected. Winds gusting as high as 50 mph near Marias Pass. * WHERE...Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Northern Clearwater Mountains- 956 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 6 to 10 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Lower Clark Fork Region- 1056 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 2 to 5 inches along I-90 St. Regis to Huson and Highway 200 corridor, 4 to 6 inches from Haugan to Lookout Pass. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Southern Clearwater Mountains- 956 AM PST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 inches at low elevations including Lowell, and 7 to 10 inches near Lolo Pass. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Bitterroot/Sapphire Mountains- 1056 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Total snow accumulations of 7 to 10 inches for Lolo Pass and the mountains. * WHERE...Lolo Pass and Bitterroot/Sapphire Mountains. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Potomac/Seeley Lake Region- 1056 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 6 to 8 inches. Gusty east winds up to 35 mph will create blowing snow for areas along Highway 200 east of Bonner. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Missoula/Bitterroot Valleys- 1056 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Light snow will continue for areas north of Florence, MT into Missoula, through this morning. Moderate to heavy snow will develop later this afternoon when the arctic boundary approaches. Total snow accumulations of 4 to 8 inches. Blowing snow will be possible near Hellgate Canyon. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Butte/Blackfoot Region- 1056 AM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 5 to 7 inches. Heaviest snow north of I-90 and US Highway 12. Very difficult winter travel conditions, due to blowing snow along Highway 12 Garrison to MacDonald Pass. 1 to 3 inches for Butte. * WHERE...Georgetown Lake, Highway 12 Garrison to Elliston, and MacDonald Pass. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-201200- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 956 AM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... * WHAT...Snow above 3500 feet. Additional snow accumulations of 3 to 5 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
891 WWUS45 KMSO 192345 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 445 PM MST Sun Dec 19 2021 IDZ005-202345- /O.CAN.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ /O.EXB.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Northern Clearwater Mountains- 345 PM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST MONDAY... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations of 2 to 6 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 4 PM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-202345- /O.CAN.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ /O.EXB.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Southern Clearwater Mountains- 345 PM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST MONDAY... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches below 3500 feet. 3 to 7 inches snow above 3500 feet. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 4 PM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-202345- /O.CAN.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ /O.EXB.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Bitterroot/Sapphire Mountains- 445 PM MST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations of 3 to 7 inches. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-202345- /O.CAN.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ /O.EXB.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Lower Clark Fork Region- 445 PM MST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations of 3 to 6 inches from Lookout Pass to mile marker 10 on I-90. Up to 2 inches elsewhere. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ West Glacier Region- 445 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Additional snow accumulations of 3 to 6 inches Essex to Marias Pass. 1 to 3 inches snow for low elevations. Flash freeze as temperatures fall, especially near Badrock Canyon. * WHERE...Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Flash freezing of roadways. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Potomac/Seeley Lake Region- 445 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 3 to 7 inches. Gusty east winds up to 35 mph will create blowing snow for areas along Highway 200 east of Bonner. Flash freeze as temperatures fall, especially along Highway 200 east of Bonner. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Missoula/Bitterroot Valleys- 445 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Total snow accumulations of 3 to 7 inches. Blowing snow will be possible near Hellgate Canyon, with east winds gusting to 30 mph. Flash freeze as temperatures fall overnight tonight. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Butte/Blackfoot Region- 445 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 5 to 7 inches. Heaviest snow north of I-90 and US Highway 12. Very difficult winter travel conditions, due to blowing snow along Highway 12 Garrison to MacDonald Pass. 1 to 3 inches for Butte. * WHERE...Georgetown Lake, Highway 12 Garrison to Elliston, and MacDonald Pass. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-201800- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1800Z/ Flathead/Mission Valleys- 445 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Flash Freeze tonight. Additional snow accumulations of up to 2 inches Polson northward, including Flathead Lake and Flathead Valley. Additional 2 to 5 inches snow in the Mission Valley. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-201200- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ Orofino/Grangeville Region- 345 PM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...Mixed precipitation. Total snow accumulations of 1 to 2 inches from Orofino to Kooskia, up to 3 inches for Grangeville and vicinity. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-201200- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 345 PM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... * WHAT...Snow above 3500 feet. Additional snow accumulations of 3 to 5 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
742 WWUS45 KMSO 200327 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 827 PM MST Sun Dec 19 2021 MTZ003-200430- /O.CAN.KMSO.WS.W.0012.000000T0000Z-211220T1800Z/ Flathead/Mission Valleys- 827 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING IS CANCELLED... Threat from flash freeze and snow has passed. $$ MTZ002-200430- /O.CAN.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ West Glacier Region- 827 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING IS CANCELLED... Threat from flash freeze and snow has passed. $$ MTZ043-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Potomac/Seeley Lake Region- 827 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 3 to 7 inches. Gusty east winds up to 35 mph will create blowing snow for areas along Highway 200 east of Bonner. Flash freeze as temperatures fall, especially along Highway 200 east of Bonner. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Missoula/Bitterroot Valleys- 827 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Total snow accumulations of 3 to 7 inches. Blowing snow will be possible near Hellgate Canyon, with east winds gusting to 30 mph. Flash freeze as temperatures fall overnight tonight. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-201200- /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Butte/Blackfoot Region- 827 PM MST Sun Dec 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 5 to 7 inches. Heaviest snow north of I-90 and US Highway 12. Very difficult winter travel conditions, due to blowing snow along Highway 12 Garrison to MacDonald Pass. 1 to 3 inches for Butte. * WHERE...Georgetown Lake, Highway 12 Garrison to Elliston, and MacDonald Pass. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-201200- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ Orofino/Grangeville Region- 727 PM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...Mixed precipitation. Total snow accumulations of 1 to 2 inches from Orofino to Kooskia, up to 3 inches for Grangeville and vicinity. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-210000- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Northern Clearwater Mountains- 727 PM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY... * WHAT...Snow. Additional snow accumulations of 2 to 6 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 4 PM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-210000- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Southern Clearwater Mountains- 727 PM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches below 3500 feet. 3 to 7 inches snow above 3500 feet. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 4 PM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-210000- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Bitterroot/Sapphire Mountains- 827 PM MST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Snow. Additional snow accumulations of 3 to 7 inches. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-210000- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Lower Clark Fork Region- 827 PM MST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...Snow. Additional snow accumulations of 3 to 6 inches from Lookout Pass to mile marker 10 on I-90. Up to 2 inches elsewhere. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-201200- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 727 PM PST Sun Dec 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... * WHAT...Snow above 3500 feet. Additional snow accumulations of 3 to 5 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
355 WWUS45 KMSO 200959 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 259 AM MST Mon Dec 20 2021 MTZ005-210000- /O.EXB.KMSO.WW.Y.0072.211220T1200Z-211221T0000Z/ /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Missoula/Bitterroot Valleys- 259 AM MST Mon Dec 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Additional snow accumulations of up to two inches and temperatures dropping below freezing causing icy conditions. * WHERE...Missoula/Bitterroot Valleys. * WHEN...For the Winter Storm Warning, until 5 AM MST early this morning. For the Winter Weather Advisory, until 5 PM MST this afternoon. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-210000- /O.EXB.KMSO.WW.Y.0072.211220T1200Z-211221T0000Z/ /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Butte/Blackfoot Region- 259 AM MST Mon Dec 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Additional snow accumulations of up to three inches and icy conditions as temperatures dropped below freezing overnight after the snow has started accumulating. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...For the Winter Storm Warning, until 5 AM MST early this morning. For the Winter Weather Advisory, until 5 PM MST this afternoon. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-210000- /O.EXB.KMSO.WW.Y.0072.211220T1200Z-211221T0000Z/ /O.CON.KMSO.WS.W.0012.000000T0000Z-211220T1200Z/ Potomac/Seeley Lake Region- 259 AM MST Mon Dec 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Total snow accumulations of 4 to 6 inches and icy conditions as temperatures dropped below freezing overnight after the snow has started accumulating. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...For the Winter Storm Warning, until 5 AM MST early this morning. For the Winter Weather Advisory, until 5 PM MST this afternoon. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-201200- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ Orofino/Grangeville Region- 159 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST EARLY THIS MORNING... * WHAT...Mixed precipitation. Total snow accumulations of 1 to 2 inches from Orofino to Kooskia, up to 3 inches for Grangeville and vicinity. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-210000- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Northern Clearwater Mountains- 159 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Snow. Additional snow accumulations of 2 to 6 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 4 PM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-210000- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Southern Clearwater Mountains- 159 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches below 3500 feet. 3 to 7 inches snow above 3500 feet. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 4 PM PST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-210000- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Bitterroot/Sapphire Mountains- 259 AM MST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Snow. Additional snow accumulations of 3 to 7 inches. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-210000- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211221T0000Z/ Lower Clark Fork Region- 259 AM MST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Snow. Additional snow accumulations of 3 to 6 inches from Lookout Pass to mile marker 10 on I-90. Up to 2 inches elsewhere. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 5 PM MST Monday. * IMPACTS...Travel could be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-201200- /O.CON.KMSO.WW.Y.0072.000000T0000Z-211220T1200Z/ Lower Hells Canyon/Salmon River Region- 159 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST EARLY THIS MORNING ABOVE 3500 FEET... * WHAT...Snow above 3500 feet. Additional snow accumulations of 3 to 5 inches for Whitebird Hill. Winds gusting as high as 25 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...Until 4 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 1:20 PM MST | Winter Storm Watch | MSO | Flathead, Lincoln, Mineral, Missoula, Sanders | 25 hr |
Nearby
Winter Storm Warnings in Montana, 2021Winter Storm Warnings in Idaho, 2021Every winter storm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.