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Home Return to list Winter Weather Advisory 0050 Issued by the Missoula Forecast Office
Action: New Issued At: 2025-12-21 03:40:34 925 WWUS45 KMSO 210940 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 240 AM MST Sun Dec 21 2025 IDZ009-010-221600- /O.NEW.KMSO.WW.Y.0050.251221T1200Z-251222T1600Z/ Western Lemhi County-Eastern Lemhi County- 240 AM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST MONDAY... * WHAT...Snow expected. There is a likelihood of minor winter weather impacts. Total snow accumulations 6 to 10 inches in the high terrain, including Lost Trail Pass, and 1 to 3 inches in the valleys. Winds gusting 35 to as 45 mph in the terrain. * WHERE...Highway 28 Tendoy to Lone Pine, Highway 93 Lost Trail Pass to Gibbonsville, Shoup, Bannock Pass, Lemhi Pass, Williams Creek Summit, and Salmon. * WHEN...Until 9 AM MST Monday. * 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 Monday morning commute, especially over higher passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels are expected to rise today with valleys, including Salmon, switching to a wintry mix or rain. Should snow levels rise slower than forecast, an additional 1 to 3 inches of snow is possible. 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. && $$ MTZ006-221600- /O.NEW.KMSO.WW.Y.0050.251221T1600Z-251222T1600Z/ Bitterroot/Sapphire Mountains- 240 AM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 AM MST MONDAY... * WHAT...Snow expected. There is a likelihood of minor winter weather impacts. Total snow accumulations 5 to 10 inches. * WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass. * WHEN...From 9 AM this morning to 9 AM MST Monday. * IMPACTS...Winter traveling conditions. For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Monday morning commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Action: New Issued At: 2025-12-21 03:40:34 925 WWUS45 KMSO 210940 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 240 AM MST Sun Dec 21 2025 IDZ009-010-221600- /O.NEW.KMSO.WW.Y.0050.251221T1200Z-251222T1600Z/ Western Lemhi County-Eastern Lemhi County- 240 AM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST MONDAY... * WHAT...Snow expected. There is a likelihood of minor winter weather impacts. Total snow accumulations 6 to 10 inches in the high terrain, including Lost Trail Pass, and 1 to 3 inches in the valleys. Winds gusting 35 to as 45 mph in the terrain. * WHERE...Highway 28 Tendoy to Lone Pine, Highway 93 Lost Trail Pass to Gibbonsville, Shoup, Bannock Pass, Lemhi Pass, Williams Creek Summit, and Salmon. * WHEN...Until 9 AM MST Monday. * 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 Monday morning commute, especially over higher passes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels are expected to rise today with valleys, including Salmon, switching to a wintry mix or rain. Should snow levels rise slower than forecast, an additional 1 to 3 inches of snow is possible. 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. && $$ MTZ006-221600- /O.NEW.KMSO.WW.Y.0050.251221T1600Z-251222T1600Z/ Bitterroot/Sapphire Mountains- 240 AM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 AM MST MONDAY... * WHAT...Snow expected. There is a likelihood of minor winter weather impacts. Total snow accumulations 5 to 10 inches. * WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass. * WHEN...From 9 AM this morning to 9 AM MST Monday. * IMPACTS...Winter traveling conditions. For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Monday morning commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||