Winter Weather Warnings / Watches / Advisories
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
220 WWUS45 KMSO 052302 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 402 PM MST Fri Dec 5 2025 IDZ005-006-062315- /O.CON.KMSO.WS.W.0012.000000T0000Z-251207T0000Z/ Northern Clearwater Mountains-Southern Clearwater Mountains- 302 PM PST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... * WHAT...Heavy snow. There is a likelihood of developing or ongoing major winter weather impacts to isolated extreme winter storm impacts. Additional snow accumulations up to 13 inches at higher elevations including Lolo Pass and 1 to 5 inches at low elevations. Winds gusting as high as 35 mph. * WHERE...Dixie, Elk City, Highway 12 Lowell to Lolo Pass, Elk River, Highway 11 Pierce to Headquarters, and Pierce. * WHEN...Until 4 PM PST Saturday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. For EXTREME winter storm impacts, expect substantial disruptions to normal activities. Extremely dangerous or impossible traveling conditions. Travel in the impacted areas is not advised. Extensive and widespread closures and disruptions to infrastructure may occur. Life saving actions may be needed. The hazardous conditions could impact the Friday evening commute, especially over higher passes. 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. && $$ MTZ004-062315- /O.CON.KMSO.WS.W.0012.000000T0000Z-251207T0000Z/ Lower Clark Fork Region- 402 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY... * WHAT...Heavy snow. There is a likelihood of developing or ongoing major winter weather impacts to isolated extreme winter storm impacts. Additional snow accumulations of 5 to 11 inches Taft to Lookout Pass and 2 to 5 inches in the valleys. Winds gusting as high as 35 mph. * WHERE...Evaro Hill, Highway 200 Trout Creek to Heron, I-90 Lookout Pass to Haugan, and Highway 200 Thompson Falls to Plains. * WHEN...Until 5 PM MST Saturday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-062315- /O.CON.KMSO.WS.W.0012.000000T0000Z-251207T0000Z/ Bitterroot/Sapphire Mountains- 402 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY... * WHAT...Heavy snow expected. There is a likelihood of major winter storm impacts. Total snow accumulations 1 to 5 inches in the valleys and 8 to 15 inches in the higher terrain including Lolo and Lost Trail Passes. Winds gusting as high as 40 mph on Friday. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...Until 5 PM MST Saturday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. 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. && $$ MTZ043-062315- /O.CON.KMSO.WS.W.0012.000000T0000Z-251207T0000Z/ Potomac/Seeley Lake Region- 402 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY... * WHAT...Heavy snow. There is a likelihood of developing or ongoing major winter weather impacts to isolated extreme winter storm impacts. Additional snow accumulations of 5 to 10 inches. Winds gusting as high as 35 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 5 PM MST Saturday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. For EXTREME winter storm impacts, expect substantial disruptions to normal activities. Extremely dangerous or impossible traveling conditions. Travel in the impacted areas is not advised. Extensive and widespread closures and disruptions to infrastructure may occur. Life saving actions may be needed. The hazardous conditions could impact the Friday evening commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ001-060600- /O.EXA.KMSO.WW.Y.0046.000000T0000Z-251206T0600Z/ Kootenai/Cabinet Region- 402 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. There is a likelihood of developing or ongoing moderate winter weather impacts. Periods of heavy snow will quickly accumulated and cause rapidly changing conditions. Additional snow accumulations of 1 to 5 inches. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 93 Eureka to Whitefish, and Highway 56 Bull Lake Road. * WHEN...Until 11 PM MST this evening. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. 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. && $$ MTZ003-060600- /O.EXA.KMSO.WW.Y.0046.000000T0000Z-251206T0600Z/ Flathead/Mission Valleys- 402 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Wet snow. There is a likelihood of developing or ongoing moderate winter weather impacts. Periods of heavy snow will quickly accumulated and cause rapidly changing conditions. Additional snow accumulations of 1 to 5 inches. * WHERE...Mission Valley, Flathead Valley, Polson, and Flathead Lake. * WHEN...Until 11 PM MST this evening. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ005-060600- /O.CON.KMSO.WW.Y.0046.000000T0000Z-251206T0600Z/ Missoula/Bitterroot Valleys- 402 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Wet snow. There is a likelihood of ongoing moderate winter weather impacts. Periods of heavy snow will quickly accumulated and cause rapidly changing conditions. Additional snow accumulations of 1 to 5 inches. Gusty winds are also possible in the Bitterroot Valley later in the evening. * WHERE...Missoula and Bitterroot Valley. * WHEN...Until 11 PM MST this evening. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. 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. && $$ MTZ007-060600- /O.CON.KMSO.WW.Y.0046.000000T0000Z-251206T0600Z/ Butte/Blackfoot Region- 402 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. There is a likelihood of developing or ongoing moderate to isolated major winter weather impacts. Additional snow accumulations of 2 to 6 inches. Winds gusting as high as 40 mph. * WHERE...Highway 12 Garrison to Elliston, MacDonald Pass, Butte, Homestake Pass, and Georgetown Lake. * WHEN...Until 11 PM MST this evening. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. * ADDITIONAL DETAILS...Rapidly changing conditions are expected through the evening with periods of heavy snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ002-062315- /O.CON.KMSO.WW.Y.0046.251206T0000Z-251207T0000Z/ West Glacier Region- 402 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SATURDAY... * WHAT...Snow expected. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations 1 to 3 inches in the valleys and 5 to 8 inches in the higher terrain including Marias Pass. * WHERE...Essex, Marias Pass, Polebridge, Highway 83 Bigfork to Swan Lake, Glacier National Park, and Bad Rock Canyon. * WHEN...Until 5 PM MST Saturday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. 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. && $$