Alert archive / Montana / Winter Storm Warnings in 2021
Winter Storm Warning 10, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Dec 10, 2021, 3:01 PM MST for 8 counties in Montana; Clearwater County, Idaho. It took effect at Dec 11, 2021, 12:00 AM MST. It was in force for 44 hr. 23 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 10, 2021, 3:01 PM MST (22:01 UTC)
- In effect from
- Dec 11, 2021, 12:00 AM MST
- Expired
- Dec 12, 2021, 7:48 PM MST
- In force
- 44 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Ravalli County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 49 km from the middle of the area, began a volume at 22:02 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 11, 8:00 AM MST | SNOW 1.8 | Yaak, MT | COCORAHS STATION MT-LN-6 YAAK. |
| Dec 11, 8:00 AM MST | SNOW 3 | 4 Nw Noxon, MT | COCORAHS STATION MT-SN-2 4 WNW NOXON. |
| Dec 11, 9:00 AM MST | SNOW 4.5 | 3 Ese Tuscor, MT | COCORAHS STATION MT-SN-6 TROUT CREEK 4.0 NNW. |
| Dec 11, 9:14 AM MST | SNOW 1.6 | Pierce, ID | CO-OP OBSERVER STATION PIRI1 PIERCE. |
| Dec 11, 12:30 PM MST | SNOW 1.5 | 1 Ne Ninemile, MT | |
| Dec 11, 9:43 PM MST | SNOW 5.3 | 9 Nne Yaak, MT | CO-OP OBSERVER STATION YAKM8 9.0 NE YAAK. |
| Dec 12, 7:00 AM MST | SNOW 1 | 3 S White Pine, MT | COCORAHS STATION MT-SN-4 3 S WHITE PINE. |
| Dec 12, 7:00 AM MST | SNOW 1 | Pierce, ID | CO-OP OBSERVER STATION PIRI1 PIERCE. |
| Dec 12, 7:00 AM MST | SNOW 3.6 | 1 Se Marion, MT | COCORAHS STATION MT-FH-12 1 ESE MARION. |
| Dec 12, 8:00 AM MST | SNOW 0.8 | 4 Nw Noxon, MT | COCORAHS STATION MT-SN-2 4 WNW NOXON. |
| Dec 12, 8:00 AM MST | SNOW 1.4 | 1 E Seeley Lake, MT | COCORAHS STATION MT-MS-26 1 E SEELEY LAKE. |
| Dec 12, 8:00 AM MST | SNOW 1.8 | Yaak, MT | COCORAHS STATION MT-LN-6 YAAK. |
| Dec 12, 8:00 AM MST | SNOW 7 | 3 Sw Pinnacle, MT | MESONET STATION TRSMT TUNNEL RIDGE SNOW. |
| Dec 12, 8:00 AM MST | SNOW 7.1 | 4 Se Essex, MT | MESONET STATION JVEMT JAVA EAST. |
| Dec 12, 8:00 AM MST | SNOW 9.8 | 5 Ene Blacktail - Railr, MT | MESONET STATION MRPMT MARIAS PASS. |
| Dec 12, 8:00 AM MST | SNOW 10 | 2 Sw Blacktail - Railro, MT | MESONET STATION SH7MT SHED 7. |
| Dec 12, 8:00 AM MST | SNOW 10.1 | 4 Se Essex, MT | MESONET STATION S11MT SHED 11. |
| Dec 12, 8:00 AM MST | SNOW 11 | 14 Wsw Quartz, MT | MESONET STATION HOOM8 16.4 SW SUPERIOR (SNOTEL). |
| Dec 12, 8:00 AM MST | SNOW 12 | 12 Ne Noxon, MT | MESONET STATION PMNM8 11.6 NE NOXON (SNOTEL). |
| Dec 12, 8:00 AM MST | SNOW 12 | 5 Ne Elk River, ID | MESONET STATION ELBI1 4.7 NE ELK RIVER (SNOTEL). |
| Dec 12, 8:30 AM MST | SNOW 1.5 | 3 Ese Tuscor, MT | COCORAHS STATION MT-SN-6 TROUT CREEK 4.0 NNW. |
| Dec 12, 8:47 AM MST | HEAVY SNOW 15 | Elk River, ID | |
| Dec 12, 2:15 PM MST | SNOW 2 | 1 Ne Ninemile, MT | 0.25 IN LIQUID WATER, 2 IN SNOW. |
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, 10.0 hours before the alert went out and 148 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
- 1130 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
929 WWUS45 KMSO 102201 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 301 PM MST Fri Dec 10 2021 MTZ002-112200- /O.UPG.KMSO.WS.A.0007.211211T0900Z-211212T1800Z/ /O.NEW.KMSO.WS.W.0010.211211T0900Z-211212T1800Z/ West Glacier Region- 301 PM MST Fri Dec 10 2021 ...WINTER STORM WARNING IN EFFECT FROM 2 AM SATURDAY TO 11 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 18 inches. Winds gusting as high as 50 mph. * WHERE...Near Glacier Park, including Bad Rock Canyon, Essex, Marias Pass, and Polebridge. * WHEN...From 2 AM Saturday to 11 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Blowing snow will significantly reduce visibility near Marias Pass. Gusty winds could bring down tree branches. 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. && $$ MTZ004-112200- /O.UPG.KMSO.WS.A.0007.211211T0700Z-211212T1300Z/ /O.NEW.KMSO.WS.W.0010.211211T0700Z-211212T1200Z/ Lower Clark Fork Region- 301 PM MST Fri Dec 10 2021 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 18 inches. For areas below 3500 feet: 3 to 6 inches snow. Winds gusting as high as 50 mph. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From midnight tonight to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-112200- /O.UPG.KMSO.WS.A.0007.211211T0700Z-211212T1300Z/ /O.NEW.KMSO.WS.W.0010.211211T0700Z-211212T1200Z/ Kootenai/Cabinet Region- 301 PM MST Fri Dec 10 2021 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 5 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 7 to 16 inches. For areas below 2500 feet: 2 to 5 inches snow. Winds gusting as high as 40 mph over high terrain. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From midnight tonight to 5 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. 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. && $$ IDZ005-112200- /O.NEW.KMSO.WS.W.0010.211211T1200Z-211212T0000Z/ Northern Clearwater Mountains- 201 PM PST Fri Dec 10 2021 ...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 4 PM PST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches. Winds gusting as high as 40 mph in exposed areas. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...From 4 AM to 4 PM PST Saturday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-112200- /O.NEW.KMSO.WW.Y.0063.211211T1200Z-211212T0300Z/ Lower Hells Canyon/Salmon River Region- 201 PM PST Fri Dec 10 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 7 PM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 1 to 2 inches. 2 to 4 inches over Whitebird Grade. Winds gusting as high as 40 mph. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 4 AM to 7 PM PST Saturday. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. 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. && $$ IDZ007-112200- /O.NEW.KMSO.WW.Y.0063.211211T1200Z-211212T0300Z/ Orofino/Grangeville Region- 201 PM PST Fri Dec 10 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 7 PM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of up to 3 inches. Winds gusting as high as 50 mph on Camas Prairie. * WHERE...Mainly above 2500 feet, including Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...From 4 AM to 7 PM PST Saturday. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-112200- /O.NEW.KMSO.WW.Y.0063.211211T1200Z-211212T1800Z/ Southern Clearwater Mountains- 201 PM PST Fri Dec 10 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 10 AM PST SUNDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 18 inches. Winds gusting as high as 40 mph. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...From 4 AM Saturday to 10 AM PST Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. 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. && $$ MTZ006-112200- /O.NEW.KMSO.WW.Y.0063.211211T1500Z-211212T1800Z/ Bitterroot/Sapphire Mountains- 301 PM MST Fri Dec 10 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM SATURDAY TO 11 AM MST SUNDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 12 inches. Winds gusting as high as 45 mph. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...From 8 AM Saturday to 11 AM MST Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-112200- /O.NEW.KMSO.WW.Y.0063.211211T1500Z-211212T1800Z/ Potomac/Seeley Lake Region- 301 PM MST Fri Dec 10 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM SATURDAY TO 11 AM MST SUNDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 12 inches. Winds gusting as high as 40 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...From 8 AM Saturday to 11 AM MST Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. 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. && $$
7 follow-up statements
015 WWUS45 KMSO 112044 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 144 PM MST Sat Dec 11 2021 IDZ007-122045- /O.CAN.KMSO.WW.Y.0063.000000T0000Z-211212T0300Z/ /O.NEW.KMSO.WW.Y.0064.211212T1600Z-211213T0300Z/ Orofino/Grangeville Region- 1244 PM PST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM TO 7 PM PST SUNDAY ABOVE 2500 FEET... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Snow expected above 2500 feet. Snow is no longer expected today. Total snow accumulations of 1 to 3 inches on Sunday. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...From 8 AM to 7 PM PST Sunday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-122045- /O.CAN.KMSO.WW.Y.0063.000000T0000Z-211212T0300Z/ /O.NEW.KMSO.WW.Y.0064.211212T1600Z-211213T0300Z/ Lower Hells Canyon/Salmon River Region- 1244 PM PST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM TO 7 PM PST SUNDAY ABOVE 3000 FEET... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Snow expected above 3000 feet. Snow is no longer expected today. Total snow accumulations of 1 to 3 inches on Sunday. * WHERE...Whitebird Hill, Lower Hells Canyon/Salmon River Region. * WHEN...From 8 AM to 7 PM PST Sunday. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. 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. && $$ MTZ004-121800- /O.EXT.KMSO.WS.W.0010.000000T0000Z-211212T1800Z/ Lower Clark Fork Region- 144 PM MST Sat Dec 11 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Heavy snow and patchy freezing rain. Additional snow accumulations of 12 to 16 inches Haugan through Lookout Pass and 3 to 6 inches in the valleys and ice accumulations of a light glaze. Winds gusting as high as 45 mph. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 11 AM MST Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-121800- /O.EXT.KMSO.WS.W.0010.000000T0000Z-211212T1800Z/ Kootenai/Cabinet Region- 144 PM MST Sat Dec 11 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Heavy snow and patchy freezing rain. Additional snow accumulations of 6 to 12 inches above 4500 feet, 2 to 4 inches in Libby and Eureka, 4 to 7 inches in the rest of the valleys and ice accumulations of a light glaze. Winds gusting 35 to 45 mph. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...Until 11 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. 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. && $$ IDZ005-122045- /O.EXT.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Northern Clearwater Mountains- 1244 PM PST Sat Dec 11 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 PM PST SUNDAY... * WHAT...Heavy snow and mixed precipitation. Additional snow accumulations of 7 to 11 inches in Pierce and Elk River, 16 to 20 inches in the mountains and ice accumulations of a light glaze. Winds gusting as high as 45 mph. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 7 PM PST Sunday. * IMPACTS...Travel could be very difficult to impossible. Widespread blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-121800- /O.CON.KMSO.WS.W.0010.000000T0000Z-211212T1800Z/ West Glacier Region- 144 PM MST Sat Dec 11 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Heavy snow. Additional snow accumulations of 3 to 5 inches Columbia Falls through West Glacier and Swan Lake, 6 to 8 inches in Polebridge and Essex, and 12 to 18 inches in Marias Pass and in the mountains. Winds gusting as high as 45 mph. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...Until 11 AM MST Sunday. * IMPACTS...Travel could be very difficult. Widespread blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. 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. && $$ MTZ003-121900- /O.EXB.KMSO.WW.Y.0063.211212T1000Z-211212T1900Z/ Flathead/Mission Valleys- 144 PM MST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO NOON MST SUNDAY... * WHAT...Snow and mixed precipitation expected. Total snow accumulations of up to two inches and ice accumulations of a light glaze. Winds gusting as high as 35 mph. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...From 3 AM to noon MST Sunday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-122045- /O.EXB.KMSO.WW.Y.0063.211212T1600Z-211213T0300Z/ Missoula/Bitterroot Valleys- 144 PM MST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM TO 8 PM MST SUNDAY... * WHAT...Snow expected. Total snow accumulations of up to two inches. Isolated higher amounts expected under heavier showers. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From 9 AM to 8 PM MST Sunday. * 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. && $$ MTZ007-122045- /O.EXB.KMSO.WW.Y.0063.211212T1600Z-211213T0600Z/ Butte/Blackfoot Region- 144 PM MST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM TO 11 PM MST SUNDAY... * WHAT...Snow expected. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. Isolated higher amounts expected under heavier showers. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...From 9 AM to 11 PM MST Sunday. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-122045- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Southern Clearwater Mountains- 1244 PM PST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 PM PST SUNDAY... * WHAT...Snow. Additional snow accumulations of 3 to 7 inches in Elk city through Dixie, 8 to 14 inches Powell through Lolo Pass, and over 18 inches in the high terrain. Winds gusting as high as 45 mph. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 7 PM PST Sunday. * IMPACTS...Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. 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. && $$ MTZ006-122045- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Bitterroot/Sapphire Mountains- 144 PM MST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 PM MST SUNDAY... * WHAT...Snow. Additional snow accumulations of 5 to 7 inches with higher amounts of 8 to 14 inches in the Bitterroot Mountains and Lolo Pass. Winds gusting as high as 45 mph. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-122045- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Potomac/Seeley Lake Region- 144 PM MST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 PM MST SUNDAY... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches along Highway 200 and I-90, 4 to 7 inches Seeley Lake through Condon and 12 to 16 inches in the mountains. Winds gusting as high as 40 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. 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. && $$
135 WWUS45 KMSO 121510 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 810 AM MST Sun Dec 12 2021 MTZ001-121800- /O.CAN.KMSO.WS.W.0010.000000T0000Z-211212T1800Z/ /O.EXB.KMSO.WW.Y.0063.211212T1510Z-211212T1800Z/ Kootenai/Cabinet Region- 810 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST THIS MORNING... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow above 2500 feet, mixed precipitation below. Additional snow accumulations of up to two inches. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-121800- /O.CON.KMSO.WS.W.0010.000000T0000Z-211212T1800Z/ West Glacier Region- 810 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches in the valleys and 3 to 6 inches from West Glacier through Marias Pass. Winds gusting as high as 35 mph. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. 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. && $$ MTZ004-121800- /O.CON.KMSO.WS.W.0010.000000T0000Z-211212T1800Z/ Lower Clark Fork Region- 810 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches in the valleys and 3 to 6 inches over Lookout Pass and Evaro Hill. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-130300- /O.CON.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Northern Clearwater Mountains- 710 AM PST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 4 to 6 inches. Winds gusting as high as 40 mph. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. 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. && $$ IDZ006-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Southern Clearwater Mountains- 710 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 1 to 2 inches at the lower elevations of Highway 12 and 3 to 5 inches elsewhere, including Lolo Pass. Winds gusting as high as 40 mph. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Bitterroot/Sapphire Mountains- 810 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 40 mph. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. 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. && $$ MTZ043-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Potomac/Seeley Lake Region- 810 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-121900- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211212T1900Z/ Flathead/Mission Valleys- 810 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * WHAT...Snow. Rain will continue to transition to snow through the morning with snow accumulations of 1 to 2 inches. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until noon MST today. * 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. && $$ MTZ005-130300- /O.CON.KMSO.WW.Y.0063.211212T1600Z-211213T0300Z/ Missoula/Bitterroot Valleys- 810 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow expected. Snow showers will develop by the late morning with most of the accumulations expected during the afternoon and evening. Total snow accumulations of 1 to 2 inches. Isolated higher amounts expected under heavier showers. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-130600- /O.CON.KMSO.WW.Y.0063.211212T1600Z-211213T0600Z/ Butte/Blackfoot Region- 810 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. Isolated higher amounts expected under heavier showers. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. 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. && $$ IDZ007-130300- /O.CON.KMSO.WW.Y.0064.211212T1600Z-211213T0300Z/ Orofino/Grangeville Region- 710 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 2500 FEET... * WHAT...Snow expected above 2500 feet. Total snow accumulations of 1 to 3 inches. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-130300- /O.CON.KMSO.WW.Y.0064.211212T1600Z-211213T0300Z/ Lower Hells Canyon/Salmon River Region- 710 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 3000 FEET... * WHAT...Snow expected above 3000 feet. Total snow accumulations of 1 to 3 inches. * WHERE...Whitebird Hill, and Lower Hells Canyon/Salmon River Region. * WHEN...Until 7 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. && $$
815 WWUS45 KMSO 121703 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 1003 AM MST Sun Dec 12 2021 MTZ006-130300- /O.UPG.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ /O.EXA.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Bitterroot/Sapphire Mountains- 1003 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 3 to 6 inches. Winds gusting as high as 35 mph. * WHERE...Highway 12 Lolo to Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...Until 8 PM MST this evening. * IMPACTS...Severe driving conditions are being reported by the MDT leading up to Lolo Pass. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-130300- /O.EXT.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Lower Clark Fork Region- 1003 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches in the valleys, and 3 to 6 inches over Lookout Pass and Evaro Hill. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 8 PM MST this evening. * IMPACTS...Rapidly changing conditions will cause difficult travel over Evaro Hill. 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. && $$ MTZ002-121815- /O.CON.KMSO.WS.W.0010.000000T0000Z-211212T1800Z/ West Glacier Region- 1003 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Heavy snow. Additional snow accumulations of up to one inch. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-130300- /O.CON.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Northern Clearwater Mountains- 903 AM PST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 5 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 7 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. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-121815- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211212T1800Z/ Kootenai/Cabinet Region- 1003 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Southern Clearwater Mountains- 903 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. 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. && $$ MTZ043-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Potomac/Seeley Lake Region- 1003 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 35 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-121900- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211212T1900Z/ Flathead/Mission Valleys- 1003 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * WHAT...Snow. Rain will continue to transition to snow through the morning with snow accumulations of 1 to 2 inches. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until noon MST today. * 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. && $$ MTZ005-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Missoula/Bitterroot Valleys- 1003 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Rain will continue to change to snow causing quickly changing conditions. Total snow accumulations of 1 to 2 inches. Isolated higher amounts expected under heavier showers. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-130600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0600Z/ Butte/Blackfoot Region- 1003 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 11 PM MST 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. && $$ IDZ007-130300- /O.CON.KMSO.WW.Y.0064.000000T0000Z-211213T0300Z/ Orofino/Grangeville Region- 903 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 2500 FEET... * WHAT...Snow above 2500 feet. Periods of moderate to heavy snow will continue to impact the Camas Prairie. Additional snow accumulations of 2 to 3 inches. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-130300- /O.CON.KMSO.WW.Y.0064.000000T0000Z-211213T0300Z/ Lower Hells Canyon/Salmon River Region- 903 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 3000 FEET... * WHAT...Snow above 3000 feet. Periods of moderate to heavy snow will continue to impact the Whitebird Hill. Additional snow accumulations of 2 to 4 inches. * WHERE...Whitebird Hill, and Lower Hells Canyon/Salmon River Region. * WHEN...Until 7 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. && $$
417 WWUS45 KMSO 121758 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 1058 AM MST Sun Dec 12 2021 MTZ002-121900- /O.EXP.KMSO.WS.W.0010.000000T0000Z-211212T1800Z/ West Glacier Region- 1058 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... Snow showers will continue but the overall high impact has ended. $$ MTZ001-121900- /O.EXP.KMSO.WW.Y.0063.000000T0000Z-211212T1800Z/ Kootenai/Cabinet Region- 1058 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... $$ MTZ006-130300- /O.CON.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Bitterroot/Sapphire Mountains- 1058 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 35 mph. * WHERE...Highway 12 Lolo to Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...Until 8 PM MST this evening. * IMPACTS...Severe driving conditions are being reported by the MDT leading up to Lolo Pass. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-130300- /O.CON.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Lower Clark Fork Region- 1058 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 1 to 2 inches in the valleys, and 2 to 5 inches over Lookout Pass and Evaro Hill. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 8 PM MST this evening. * IMPACTS...Rapidly changing conditions will cause difficult travel over Evaro Hill. 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. && $$ IDZ005-130300- /O.CON.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Northern Clearwater Mountains- 958 AM PST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Southern Clearwater Mountains- 958 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. 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. && $$ MTZ043-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Potomac/Seeley Lake Region- 1058 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 35 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ003-121900- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211212T1900Z/ Flathead/Mission Valleys- 1058 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * WHAT...Snow. Rain will continue to transition to snow with light accumulations. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until noon MST today. * 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. && $$ MTZ005-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Missoula/Bitterroot Valleys- 1058 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Rain will continue to change to snow causing quickly changing conditions. Total snow accumulations of 1 to 2 inches. Isolated higher amounts expected under heavier showers. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-130600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0600Z/ Butte/Blackfoot Region- 1058 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 40 mph. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 11 PM MST 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. && $$ IDZ007-130300- /O.CON.KMSO.WW.Y.0064.000000T0000Z-211213T0300Z/ Orofino/Grangeville Region- 958 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 2500 FEET... * WHAT...Snow above 2500 feet. Periods of moderate to heavy snow will continue to impact the Camas Prairie. Additional snow accumulations of 1 to 2 inches. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-130300- /O.CON.KMSO.WW.Y.0064.000000T0000Z-211213T0300Z/ Lower Hells Canyon/Salmon River Region- 958 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 3000 FEET... * WHAT...Snow above 3000 feet. Periods of moderate to heavy snow will continue to impact the Whitebird Hill. Additional snow accumulations of 1 to 3 inches. * WHERE...Whitebird Hill, and Lower Hells Canyon/Salmon River Region. * WHEN...Until 7 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. && $$
234 WWUS45 KMSO 121849 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 1149 AM MST Sun Dec 12 2021 MTZ003-122000- /O.EXP.KMSO.WW.Y.0063.000000T0000Z-211212T1900Z/ Flathead/Mission Valleys- 1149 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON MST TODAY... Snow showers will continue but impacts will be limited. $$ MTZ006-130300- /O.CON.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Bitterroot/Sapphire Mountains- 1149 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. * WHERE...Highway 12 Lolo to Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...Until 8 PM MST this evening. * IMPACTS...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. && $$ MTZ004-130300- /O.CON.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Lower Clark Fork Region- 1149 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 1 to 2 inches in the valleys, and 2 to 4 inches over Lookout Pass and Evaro Hill. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 8 PM MST this evening. * IMPACTS...Rapidly changing conditions will cause difficult travel over Evaro Hill. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-130300- /O.CON.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Northern Clearwater Mountains- 1049 AM PST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 7 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. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Southern Clearwater Mountains- 1049 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Potomac/Seeley Lake Region- 1149 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 35 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. 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. && $$ MTZ005-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Missoula/Bitterroot Valleys- 1149 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Rain will continue to change to snow causing quickly changing conditions. Total snow accumulations of 1 to 2 inches. Isolated higher amounts expected under heavier showers. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-130600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0600Z/ Butte/Blackfoot Region- 1149 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 40 mph. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 11 PM MST 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. && $$ IDZ007-130300- /O.CON.KMSO.WW.Y.0064.000000T0000Z-211213T0300Z/ Orofino/Grangeville Region- 1049 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 2500 FEET... * WHAT...Snow above 2500 feet. Periods of moderate to heavy snow will continue to impact the Camas Prairie. Additional snow accumulations of 1 to 2 inches. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-130300- /O.CON.KMSO.WW.Y.0064.000000T0000Z-211213T0300Z/ Lower Hells Canyon/Salmon River Region- 1049 AM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 3000 FEET... * WHAT...Snow above 3000 feet. Periods of moderate to heavy snow will continue to impact the Whitebird Hill. Additional snow accumulations of 1 to 3 inches. * WHERE...Whitebird Hill, and Lower Hells Canyon/Salmon River Region. * WHEN...Until 7 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. && $$
256 WWUS45 KMSO 122055 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 155 PM MST Sun Dec 12 2021 MTZ004-130300- /O.CAN.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ /O.EXA.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Lower Clark Fork Region- 155 PM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 PM MST THIS EVENING... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations of up to two inches. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-130300- /O.CAN.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ /O.EXA.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Northern Clearwater Mountains- 1255 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM PST THIS EVENING... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. Areas of blowing snow could significantly reduce visibility. 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. && $$ MTZ006-130300- /O.CON.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ Bitterroot/Sapphire Mountains- 155 PM MST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 35 mph. * WHERE...Lolo Pass, and Bitterroot/Sapphire Mountains. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Southern Clearwater Mountains- 1255 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. Areas of blowing snow could significantly reduce visibility. 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. && $$ MTZ043-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Potomac/Seeley Lake Region- 155 PM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 8 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-130300- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Missoula/Bitterroot Valleys- 155 PM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Snow. Periods of moderate snow will cause low visibility and slushy accumulations. Additional snow accumulations of up to one inch. Isolated high snow amounts are expected under persistent showers near and after sunset. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 8 PM MST 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. && $$ MTZ007-130600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0600Z/ Butte/Blackfoot Region- 155 PM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Periods of moderate snow will cause low visibility and and slushy accumulations. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be affected. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-130300- /O.CON.KMSO.WW.Y.0064.000000T0000Z-211213T0300Z/ Orofino/Grangeville Region- 1255 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 2500 FEET... * WHAT...Snow above 2500 feet. Additional snow accumulations of 1 to 2 inches. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 7 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. && $$ IDZ008-130300- /O.CON.KMSO.WW.Y.0064.000000T0000Z-211213T0300Z/ Lower Hells Canyon/Salmon River Region- 1255 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 3000 FEET... * WHAT...Snow above 3000 feet. Additional snow accumulations of up to two inches. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...Until 7 PM PST this evening. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
667 WWUS45 KMSO 130248 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 748 PM MST Sun Dec 12 2021 MTZ006-131500- /O.CAN.KMSO.WS.W.0010.000000T0000Z-211213T0300Z/ /O.EXB.KMSO.WW.Y.0063.000000T0000Z-211213T1500Z/ Bitterroot/Sapphire Mountains- 748 PM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 AM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...Until 8 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. && $$ MTZ004-130400- /O.EXP.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Lower Clark Fork Region- 748 PM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 8 PM MST THIS EVENING... Light snow may continue over the next few hours but the threat for moderate and heavy snowfall has diminished for the time. $$ MTZ043-130400- /O.EXP.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Potomac/Seeley Lake Region- 748 PM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 8 PM MST THIS EVENING... Light snow may continue over the next few hours but the threat for moderate and heavy snowfall has diminished for the time. $$ IDZ005-130400- /O.EXP.KMSO.WW.Y.0063.000000T0000Z-211213T0300Z/ Northern Clearwater Mountains- 648 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING... Light snow may continue over the next few hours but the threat for moderate and heavy snowfall has diminished for the time. $$ IDZ006-131500- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-211213T1500Z/ Southern Clearwater Mountains- 648 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 AM PST MONDAY... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 7 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. && $$ MTZ005-131500- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-211213T1500Z/ Missoula/Bitterroot Valleys- 748 PM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM MST MONDAY... * WHAT...Snow. Additional snow accumulations of up to two inches. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 8 AM MST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-131500- /O.EXT.KMSO.WW.Y.0064.000000T0000Z-211213T1500Z/ Orofino/Grangeville Region- 648 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 AM PST MONDAY ABOVE 2500 FEET... * WHAT...Snow above 2500 feet. Additional snow accumulations of up to two inches. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Until 7 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. && $$ IDZ008-131500- /O.EXT.KMSO.WW.Y.0064.000000T0000Z-211213T1500Z/ Lower Hells Canyon/Salmon River Region- 648 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 AM PST MONDAY ABOVE 3000 FEET... * WHAT...Snow above 3000 feet. Additional snow accumulations of 1 to 3 inches. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...Until 7 AM PST Monday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-130600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-211213T0600Z/ Butte/Blackfoot Region- 748 PM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 11 PM MST 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. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 4:52 AM MST | Special Weather Statement | MSO | Missoula | 53 min |
| Dec 10, 6:26 AM MST | Special Weather Statement | MSO | Powell | 49 min |
| Dec 10, 3:01 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 65 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.