Alert archive / Idaho / Winter Storm Warnings in 2021
Winter Storm Warning 9, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Feb 25, 2021, 3:16 AM PST for Clearwater County, Idaho County, Idaho. It took effect at Feb 25, 2021, 8:00 AM PST. It was in force for 31 hr. 5 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
- Feb 25, 2021, 3:16 AM PST (11:16 UTC)
- In effect from
- Feb 25, 2021, 8:00 AM PST
- Expired
- Feb 26, 2021, 2:44 PM PST
- In force
- 31 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID
The radar
The Missoula radar (KMSX), 148 km from the middle of the area, began a volume at 11:19 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 |
|---|---|---|---|
| Feb 26, 7:00 AM PST | SNOW 1 | 3 Wsw Riggins, ID | COCORAHS STATION ID-ID-9 3 W RIGGINS. |
| Feb 26, 7:00 AM PST | SNOW 6.6 | Pierce, ID | CO-OP OBSERVER STATION PIRI1 PIERCE. |
| Feb 26, 7:30 AM PST | SNOW 7.8 | 10 Sse Orogrande, ID | CO-OP OBSERVER STATION DXEI1 DIXIE 1 N. |
| Feb 26, 8:00 AM PST | SNOW 2 | 1 E Woodland, ID | COCORAHS STATION ID-ID-5 WOODLAND. |
| Feb 26, 11:53 AM PST | SNOW 6 | Red River Hot Spring, ID | FACEBOOK REPORT. BETWEEN 5 FEET AND 6 FEET OF SNOW ON THE GROUND. |
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 00:00Z, 11.3 hours before the alert went out and 172 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
- 1111 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
117 WWUS45 KMSO 251116 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 416 AM MST Thu Feb 25 2021 IDZ005-261200- /O.UPG.KMSO.WS.A.0005.210225T1500Z-210227T0000Z/ /O.NEW.KMSO.WS.W.0009.210225T1600Z-210227T0000Z/ Northern Clearwater Mountains- 316 AM PST Thu Feb 25 2021 ...WINTER STORM WARNING IN EFFECT FROM 8 AM THIS MORNING TO 4 PM PST FRIDAY... * WHAT...Heavy snow and blowing snow expected. Total snow accumulations of 12 to 20 inches, with up to three feet of snow above 6,000 feet. Winds gusts up to 40 mph will cause areas of blowing and drifting snow, particularly Thursday night into Friday morning. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Areas of 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. && $$ IDZ006-261200- /O.UPG.KMSO.WS.A.0005.210225T1500Z-210227T0000Z/ /O.NEW.KMSO.WS.W.0009.210225T1600Z-210227T0000Z/ Southern Clearwater Mountains- 316 AM PST Thu Feb 25 2021 ...WINTER STORM WARNING IN EFFECT FROM 8 AM THIS MORNING TO 4 PM PST FRIDAY... * WHAT...Heavy snow and blowing snow expected. Total snow accumulations of 12 to 20 inches, with up to three feet of snow above 6,000 feet. Winds gusts up to 40 mph will cause areas of blowing and drifting snow, particularly Thursday night into Friday morning. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Backcountry users are highly encouraged to reference ITD avalanche sources for up to the minute information on changing conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-261200- /O.EXT.KMSO.WW.Y.0025.210225T1600Z-210227T0000Z/ Orofino/Grangeville Region- 316 AM PST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 4 PM PST FRIDAY... * WHAT...Snow expected. Total snowfall accumulations of 2 to 5 inches below 2,500 feet, including Orofino and Kooskia. Total snowfall accumulations of 6 to 10 inches, including bench areas of above Orofino, Grangeville, Woodland, and Weippe. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be affected. Gusty south winds up to 50 mph will cause areas of blowing and drifting snow in the vicinity of Grangeville from 9 am to 2 pm PST Thursday. 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. && $$ IDZ008-261200- /O.EXT.KMSO.WW.Y.0025.210225T1600Z-210227T0000Z/ Lower Hells Canyon/Salmon River Region- 316 AM PST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 4 PM PST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches for Whitebird Hill and elevations above 3,000 feet. Total snow accumulations of 2 to 4 inches below 3,000 feet. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-261200- /O.CON.KMSO.WW.Y.0025.210225T1500Z-210226T1500Z/ Kootenai/Cabinet Region- 416 AM MST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. Localized snow bands will produce snowfall rates up to one inch per hour Thursday night into Friday morning. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From 8 AM Thursday to 8 AM MST Friday. * 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. && $$ MTZ004-261200- /O.CON.KMSO.WW.Y.0025.210225T1500Z-210227T0000Z/ Lower Clark Fork Region- 416 AM MST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 10 to 16 inches from Saltese to Lookout Pass on I-90. Total snow accumulations of 3 to 6 inches at lower elevations. Localized snow bands will produce snowfall rates up to one inch per hour Thursday night into Friday morning. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 8 AM Thursday to 5 PM MST Friday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-261200- /O.CON.KMSO.WW.Y.0025.210225T1500Z-210226T1500Z/ West Glacier Region- 416 AM MST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 7 inches, with locally higher amounts east of Essex to Marias Pass. Winds gusting as high as 40 mph. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 8 AM Thursday to 8 AM MST Friday. * IMPACTS...Travel could be affected. Areas of blowing and drifting snow are possible between Essex and Marias Pass. 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. && $$
3 follow-up statements
724 WWUS45 KMSO 252048 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 148 PM MST Thu Feb 25 2021 IDZ005-262100- /O.CON.KMSO.WS.W.0009.000000T0000Z-210227T0000Z/ Northern Clearwater Mountains- 1248 PM PST Thu Feb 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY... * WHAT...Heavy snow and blowing snow expected. Total snow accumulations of 12 to 20 inches, with up to three feet of snow above 6,000 feet. Winds gusts up to 40 mph will cause areas of blowing and drifting snow, particularly Thursday night into Friday morning. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ006-262100- /O.CON.KMSO.WS.W.0009.000000T0000Z-210227T0000Z/ Southern Clearwater Mountains- 1248 PM PST Thu Feb 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY... * WHAT...Heavy snow and blowing snow expected. Total snow accumulations of 12 to 20 inches, with up to three feet of snow above 6,000 feet. Winds gusts up to 40 mph will cause areas of blowing and drifting snow, particularly Thursday night into Friday morning. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Backcountry users are highly encouraged to reference ITD avalanche sources for up to the minute information on changing conditions. 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. && $$ MTZ043-262100- /O.EXA.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Potomac/Seeley Lake Region- 148 PM MST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST FRIDAY... * WHAT...Snow. Additional snow accumulations of 5 to 9 inches in the valley and up to 12 inches in the mountains. Winds gusting as high as 40 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be affected. Gusty south winds up to 50 mph will cause areas of blowing and drifting snow in the vicinity of Grangeville from 9 am to 2 pm PST Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-262100- /O.EXA.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Bitterroot/Sapphire Mountains- 148 PM MST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST FRIDAY... * WHAT...Snow. Additional snow accumulations of 4 to 8 inches in the foothills above the valley. Over 12 inches of new snow expected in the back country. Winds gusting as high as 40 mph. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be affected. Gusty south winds up to 50 mph will cause areas of blowing and drifting snow in the vicinity of Grangeville from 9 am to 2 pm PST Thursday. 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. && $$ MTZ001-261500- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210226T1500Z/ Kootenai/Cabinet Region- 148 PM MST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. Localized snow bands will produce snowfall rates up to one inch per hour through Thursday evening. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...From 8 AM Thursday to 8 AM MST Friday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-262100- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Lower Clark Fork Region- 148 PM MST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 10 to 16 inches from Saltese to Lookout Pass on I-90. Total snow accumulations of 3 to 6 inches at lower elevations. Localized snow bands will produce snowfall rates up to one inch per hour Thursday night into Friday morning. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...From 8 AM Thursday to 5 PM MST Friday. * 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. && $$ IDZ007-262100- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Orofino/Grangeville Region- 1248 PM PST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY... * WHAT...Snow expected. Total snowfall accumulations of 2 to 5 inches below 2,500 feet, including Orofino and Kooskia. Total snowfall accumulations of 6 to 10 inches, including bench areas of above Orofino, Woodland, and Weippe. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be affected. Gusty south winds up to 50 mph will cause areas of blowing and drifting snow in the vicinity of Grangeville from 9 am to 2 pm PST Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ008-262100- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Lower Hells Canyon/Salmon River Region- 1248 PM PST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches for Whitebird Hill and elevations above 3,000 feet. Total snow accumulations of 2 to 4 inches below 3,000 feet. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...From 8 AM this morning to 4 PM PST Friday. * IMPACTS...Travel could be affected. Gusty south winds up to 40 mph will cause areas of blowing and drifting snow in the vicinity of Grangeville from 9 am to 2 pm PST Thursday. 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. && $$ MTZ002-261500- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210226T1500Z/ West Glacier Region- 148 PM MST Thu Feb 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 7 inches, with locally higher amounts east of Essex to Marias Pass. Winds gusting as high as 40 mph. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 8 AM Thursday to 8 AM MST Friday. * IMPACTS...Travel could be affected. Areas of blowing and drifting snow are possible between Essex and Marias Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
952 WWUS45 KMSO 260845 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 145 AM MST Fri Feb 26 2021 IDZ005-270000- /O.CON.KMSO.WS.W.0009.000000T0000Z-210227T0000Z/ Northern Clearwater Mountains- 1245 AM PST Fri Feb 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Heavy snow and blowing snow expected. Total snow accumulations of 12 to 20 inches, with up to three feet of snow above 6,000 feet. Winds gusts up to 40 mph will cause areas of blowing and drifting snow, particularly during Friday morning. * WHERE...Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Through 4 PM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Areas of 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. && $$ IDZ006-270000- /O.CON.KMSO.WS.W.0009.000000T0000Z-210227T0000Z/ Southern Clearwater Mountains- 1245 AM PST Fri Feb 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Heavy snow and blowing snow expected. Total snow accumulations of 12 to 20 inches, with up to three feet of snow above 6,000 feet. Winds gusts up to 40 mph will cause areas of blowing and drifting snow, particularly Thursday night into Friday morning. * WHERE...Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Through 4 PM PST Friday. * IMPACTS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. Backcountry users are highly encouraged to reference ITD avalanche sources for up to the minute information on changing conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-261500- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210226T1500Z/ Kootenai/Cabinet Region- 145 AM MST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * WHEN...Through 8 AM MST Friday. * 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. && $$ MTZ004-270000- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Lower Clark Fork Region- 145 AM MST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Snow expected. Total snow accumulations of 10 to 16 inches from Saltese to Lookout Pass on I-90. Total snow accumulations of 3 to 6 inches at lower elevations. Localized snow bands will produce snowfall rates up to one inch per hour Friday morning. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, and I-90 Lookout Pass to Haugan. * WHEN...Through 5 PM MST Friday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-270000- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Orofino/Grangeville Region- 1245 AM PST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Snow expected. Total snowfall accumulations of 2 to 5 inches below 2,500 feet, including Orofino and Kooskia. Total snowfall accumulations of 6 to 10 inches above 2,500 feet, including bench areas above Orofino, Woodland, and Weippe. * WHERE...Camas Prairie, Grangeville and vicinity, and Greer Grade. * WHEN...Through 4 PM PST Friday. * 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. && $$ IDZ008-270000- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Lower Hells Canyon/Salmon River Region- 1245 AM PST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches for Whitebird Hill and elevations above 3,000 feet. Total snow accumulations of 2 to 4 inches below 3,000 feet. * WHERE...Lower Hells Canyon/Salmon River Region. * WHEN...Through 4 PM PST Friday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-261500- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210226T1500Z/ West Glacier Region- 145 AM MST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... * WHAT...Snow expected. Total snow accumulations of 3 to 7 inches, with locally higher amounts east of Essex to Marias Pass. Winds gusting as high as 40 mph. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...Through 8 AM MST Friday. * IMPACTS...Travel could be affected. Areas of blowing and drifting snow are possible between Essex and Marias Pass. 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. && $$ MTZ043-270000- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Potomac/Seeley Lake Region- 145 AM MST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Snow. Additional snow accumulations of 2 to 5 inches, with 6 to 10 inches above 5,000 feet in Mission and Swan Mountains. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon. * WHEN...Through 4 PM PST Friday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-270000- /O.CON.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Bitterroot/Sapphire Mountains- 145 AM MST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Snow. Additional snowfall accumulations of 8 to 12 inches across the Bitterroot Mountains and 4 to 8 inches in the Sapphire Mountains. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...From 8 AM this morning to 4 PM PST Friday. * 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. && $$
380 WWUS45 KMSO 262244 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 344 PM MST Fri Feb 26 2021 IDZ005-006-271800- /O.CAN.KMSO.WS.W.0009.000000T0000Z-210227T0000Z/ /O.EXB.KMSO.WW.Y.0025.000000T0000Z-210227T1800Z/ Northern Clearwater Mountains-Southern Clearwater Mountains- 244 PM PST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations of 4 to 6 inches. Localized higher amounts are possible under the heavier snow showers and bands. * WHERE...Elk River, Highway 11 Pierce to Headquarters, Pierce, Dixie, Elk City, and Highway 12 Lowell to Lolo Pass. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ007-008-MTZ004-262345- /O.CAN.KMSO.WW.Y.0025.000000T0000Z-210227T0000Z/ Orofino/Grangeville Region-Lower Hells Canyon/Salmon River Region- Lower Clark Fork Region- 344 PM MST Fri Feb 26 2021 /244 PM PST Fri Feb 26 2021/ ...WINTER WEATHER ADVISORY IS CANCELLED... Scattered snow showers will continue overnight, but little to no further impacts are expected on area roadways. $$ MTZ007-271800- /O.EXB.KMSO.WW.Y.0025.000000T0000Z-210227T1800Z/ Butte/Blackfoot Region- 344 PM MST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST SATURDAY... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches, with localized higher amounts under the heavier snow showers and bands. Snow bands will create quickly changing road conditions in a short distance, especially along Interstate 90. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 11 AM MST Saturday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-271800- /O.EXT.KMSO.WW.Y.0025.000000T0000Z-210227T1800Z/ Potomac/Seeley Lake Region- 344 PM MST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST SATURDAY... * WHAT...Snow. Additional snow accumulations of 2 to 5 inches, with isolated higher amounts under the heavier snow showers and bands. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon. * WHEN...Until 11 AM MST Saturday. * 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. && $$ MTZ006-271800- /O.EXT.KMSO.WW.Y.0025.000000T0000Z-210227T1800Z/ Bitterroot/Sapphire Mountains- 344 PM MST Fri Feb 26 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST SATURDAY... * WHAT...Snow. Additional snowfall accumulations of 4 to 6 inches, with isolated higher amounts under the heavier snow showers and bands. * WHERE...Bitterroot/Sapphire Mountains. * WHEN...Until 11 AM MST Saturday. * IMPACTS...Travel could be affected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
Nearby
Winter 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.