WWUS45 KMSO 141753 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 1153 AM MDT Tue Apr 14 2026 MTZ002-161500- /O.NEW.KMSO.WW.Y.0019.260415T0600Z-260416T1500Z/ West Glacier Region- 1153 AM MDT Tue Apr 14 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT THURSDAY... * WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 5 to 10 inches from Essex to Marias Pass and 12 to 20 inches above 6,000 feet. Total snow accumulations of 1 to 5 inches in valley locations. * WHERE...Polebridge, Essex, Glacier National Park, Marias Pass, Highway 83 Bigfork to Swan Lake, and Bad Rock Canyon. * WHEN...From midnight tonight to 9 AM MDT Thursday. * 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 Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Valley locations will see rain changeover to snow Wednesday evening into Thursday morning as the cold front arrives. Roadways will become slushy Wednesday afternoon as temperatures warm near freezing at Marias Pass on Highway 2. 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. Outdoor recreationalists should be prepared for winter conditions. Snowfall could impact roads and cold temperatures may result in hypothermia. && $$ MTZ004-161500- /O.NEW.KMSO.WW.Y.0019.260415T0600Z-260416T1500Z/ Lower Clark Fork Region- 1153 AM MDT Tue Apr 14 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT THURSDAY... * WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 6 to 12 inches for Lookout Pass and the higher terrain. Total snow accumulations of up to 2 inches in lower elevation valley areas. * WHERE...Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, I-90 Lookout Pass to Haugan, and Evaro Hill. * WHEN...From midnight tonight to 9 AM MDT Thursday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Valley locations will see rain changeover to snow Wednesday evening into Thursday morning as the cold front arrives. Roadways will become slushy Wednesday afternoon as temperatures warm near freezing at Lookout Pass on Interstate 90. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Outdoor recreationalists should be prepared for winter conditions. Snowfall could impact roads and cold temperatures may result in hypothermia. && $$ MTZ006-161500- /O.NEW.KMSO.WW.Y.0019.260415T2100Z-260416T1500Z/ Bitterroot/Sapphire Mountains- 1153 AM MDT Tue Apr 14 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 9 AM MDT THURSDAY... * WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations between 4 and 8 inches for Lolo and Lost Trail Passes, with 7 to 14 inches above 6,000 feet in the higher terrain. * WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass. * WHEN...From 3 PM Wednesday to 9 AM MDT Thursday. * 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 Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...An elevated risk exists for snow squalls to produce poor visibility and gusty winds as the front arrives late Wednesday afternoon into the evening. 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. Outdoor recreationalists should be prepared for winter conditions. Snowfall could impact roads and cold temperatures may result in hypothermia. && $$ IDZ005-006-161500- /O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/ Northern Clearwater Mountains-Southern Clearwater Mountains- 1053 AM PDT Tue Apr 14 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM WEDNESDAY TO 8 AM PDT THURSDAY... * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations of 2 to 5 inches below 5,000 feet, with 5 to 10 inches in the higher terrain. * WHERE...Highway 12 Lowell to Lolo Pass, Highway 11 Pierce to Headquarters, Elk City, Elk River, Dixie, and Pierce. * WHEN...From 5 PM Wednesday to 8 AM PDT Thursday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Wednesday morning and evening commutes, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Outdoor recreationalists should be prepared for winter conditions. Snowfall could impact roads and cold temperatures may result in hypothermia. && $$ IDZ009-010-161500- /O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/ Western Lemhi County-Eastern Lemhi County- 1153 AM MDT Tue Apr 14 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 9 AM MDT THURSDAY... * WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 3 to 7 inches above 5,000 feet, including area mountain passes. Total snow accumulations of up to 2 inches in lower elevation valley areas. * WHERE...Highway 93 Lost Trail Pass to Gibbonsville, Lemhi Pass, Williams Creek Summit, Salmon, Shoup, Highway 28 Tendoy to Lone Pine, and Bannock Pass. * WHEN...From 6 PM Wednesday to 9 AM MDT Thursday. * 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 Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...An elevated risk exists for snow squalls to produce poor visibility and gusty winds as the front arrives Wednesday evening across mountain pass areas. 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. Outdoor recreationalists should be prepared for winter conditions. Snowfall could impact roads and cold temperatures may result in hypothermia. && $$ MTZ007-161500- /O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/ Butte/Blackfoot Region- 1153 AM MDT Tue Apr 14 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 9 AM MDT THURSDAY... * WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 1 to 3 inches, with 3 to 7 inches expected above 7,000 feet. Winds gusting as high as 35 mph. * WHERE...Highway 12 Garrison to Elliston, Georgetown Lake, MacDonald Pass, Butte, and Homestake Pass. * WHEN...From 6 PM Wednesday to 9 AM MDT Thursday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...An elevated risk exists for snow squalls to produce poor visibility and gusty winds as the front arrives Wednesday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Outdoor recreationalists should be prepared for winter conditions. Snowfall could impact roads and cold temperatures may result in hypothermia. && $$ MTZ043-161500- /O.NEW.KMSO.WW.Y.0019.260416T0000Z-260416T1500Z/ Potomac/Seeley Lake Region- 1153 AM MDT Tue Apr 14 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 9 AM MDT THURSDAY... * WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to two inches, with 6 to 14 inches above 6,000 feet in the Swan and Mission Mountains. * WHERE...Highway 200 Bonner to Greenough, I-90 East Missoula to Bearmouth, and Highway 83 Seeley Lake to Condon. * WHEN...From 6 PM Wednesday to 9 AM MDT Thursday. * IMPACTS...Winter traveling conditions. For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Thursday morning 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. && $$ AL