Winter Weather Warnings / Watches / Advisories
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
698 WWUS45 KMSO 111850 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 1250 PM MDT Sat Oct 11 2025 MTZ001-121330- /O.UPG.KMSO.WS.A.0008.251012T0000Z-251013T1800Z/ /O.EXB.KMSO.WS.W.0010.251012T0800Z-251013T1800Z/ Kootenai/Cabinet Region- 1250 PM MDT Sat Oct 11 2025 ...WINTER STORM WARNING IN EFFECT FROM 2 AM SUNDAY TO NOON MDT MONDAY... * WHAT...Heavy snow expected. There is a likelihood of major winter weather impacts. Total snow accumulations up to 1 inch below 3000 feet, 2 to 5 inches in the higher valleys, 6 to 12 inches in the mountains. The Cabinet and Purcell mountains could receive a total of 12 to 18 inches. Gusty easterly winds 25 to 35 mph with gusts to 40 mph, though gusts to 50 mph are possible in the higher elevations. * WHERE...Highway 2 Kalispell to Libby, Highway 56 Bull Lake Road, Highway 37 Eureka to Libby, and Highway 93 Eureka to Whitefish. * WHEN...From 2 AM Sunday to noon MDT Monday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions in the backcountry. Avoid travel in the impacted areas if possible. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. * ADDITIONAL DETAILS...A period of snow combined with easterly winds will create a low-end risk for slick spots on roadways, especially between Happy`s Inn and Marion Sunday evening. 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. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. Outdoor recreationalists should be prepared for winter conditions. Snowfall could impact roads and cold temperatures may result in hypothermia. && $$ MTZ002-121330- /O.CON.KMSO.WS.W.0010.251012T0000Z-251013T1800Z/ West Glacier Region- 1250 PM MDT Sat Oct 11 2025 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT MONDAY... * WHAT...Heavy snow and blowing snow expected. There is a likelihood of major winter weather impacts. Isolated extreme winter storm impacts in the mountains. Total snow accumulations of 1 to 4 inches in the valleys, 5 to 9 inches Essex to Marias Pass, and 10 to 20 inches in the mountains. East winds 15 to 25 mph with gusts to 45 mph. Ridgetop easterly winds 35 to 45 mph with gusts to 60 mph. * WHERE...Marias Pass, Polebridge, Essex, and Glacier National Park higher elevations including Going-to-the-Sun Road and Logan Pass, Highway 83 Bigfork to Swan Lake, Bad Rock Canyon. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...Winter traveling conditions. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Monday morning commute, especially over higher passes. Blowing snow will reduce visibility to less than one mile at times between Marias Pass and Essex. * ADDITIONAL DETAILS...Heaviest snow is expected late Saturday night into Sunday morning. A flash freeze of wet roadways is possible Saturday night and again Sunday night. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ005-006-121330- /O.CON.KMSO.WW.Y.0037.251012T0000Z-251013T1800Z/ Northern Clearwater Mountains-Southern Clearwater Mountains- 1150 AM PDT Sat Oct 11 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT MONDAY ABOVE 5500 FEET... * WHAT...Snow expected above 5500 feet. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations up to 4 inches, except 5 to 10 inches in the higher terrain. * WHERE...Dixie, Lolo Pass and higher elevations of the Clearwater and Bitterroot Mountains. * WHEN...From 5 PM this afternoon to 11 AM PDT Monday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. 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. && $$ IDZ009-010-121330- /O.CON.KMSO.WW.Y.0037.251012T0000Z-251013T1200Z/ Western Lemhi County-Eastern Lemhi County- 1250 PM MDT Sat Oct 11 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT MONDAY ABOVE 5500 FEET... * WHAT...Snow expected above 5500 feet. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations 1 to 5 inches. Winds gusting as high as 35 mph. * WHERE...Bannock Pass, Highway 28 Tendoy to Lone Pine, Lemhi Pass, Highway 93 Lost Trail Pass to Gibbonsville, and Williams Creek Summit. * WHEN...From 6 PM this evening to 6 AM MDT Monday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ004-121330- /O.CON.KMSO.WW.Y.0037.251012T0000Z-251013T1800Z/ Lower Clark Fork Region- 1250 PM MDT Sat Oct 11 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT MONDAY ABOVE 4500 FEET... * WHAT...Snow expected above 4500 feet. There is a likelihood of moderate to moderate isolated major winter weather impacts. Total snow accumulations of 2 to 4 inches Lookout Pass, 4 to 7 inches Thompson Pass, and 7 to 10 inches in the higher elevations. Southwest winds 25 to 35 mph, then shifting to the northeast 25 to 45 mph Sunday night. * WHERE...Lower Clark Fork Region. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. 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. && $$ MTZ006-121330- /O.CON.KMSO.WW.Y.0037.251012T0000Z-251013T1800Z/ Bitterroot/Sapphire Mountains- 1250 PM MDT Sat Oct 11 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT MONDAY ABOVE 5500 FEET... * WHAT...Snow expected above 5500 feet. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations between 1 and 6 inches, except 5 to 8 inches in the higher elevations of the Bitterroot Mountains. * WHERE...Highway 93 Sula to Lost Trail Pass, Lolo Pass. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-121330- /O.CON.KMSO.WW.Y.0037.251012T0000Z-251013T1800Z/ Butte/Blackfoot Region- 1250 PM MDT Sat Oct 11 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT MONDAY ABOVE 5000 FEET... * WHAT...Snow expected above 5000 feet. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations up to 3 inches in the higher valleys with 3 to 8 inches in the mountains. Winds gusting up to 35 mph, except up to 45 mph in Helmville Sunday night. * WHERE...Homestake Pass, Butte, MacDonald Pass, and Georgetown Lake. * WHEN...From 6 PM this evening to noon MDT Monday. * 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. Possible flash freeze Sunday night at MacDonald Pass, Homestake Pass, and along I-15. 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. && $$ MTZ043-121330- /O.CON.KMSO.WW.Y.0037.251012T0000Z-251013T1800Z/ Potomac/Seeley Lake Region- 1250 PM MDT Sat Oct 11 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT MONDAY ABOVE 4000 FEET... * WHAT...Snow expected above 4000 feet. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations up to two inches in the valleys with 5 to 12 inches in the higher terrain. The highest peaks of the Mission and Swan ranges could receive up to 18 inches. Northeast winds 35 to 45 mph develops in the mountains Sunday night. * WHERE...Highway 83 Seeley Lake to Condon. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$