Weather Warnings for Montana

Current watches, warnings, and advisories for Montana
Alerts Updated: October 20, 2025, 9:00 am  UTC


Lake Wind Advisory issued October 20 at 2:51AM MDT until October 20 at 9:00PM MDT by NWS Glasgow MT

Summary: * WHAT...Northwest winds 20 to 35 mph with gusts up to 50 mph. * WHERE...Fort Peck Lake. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Waves up to 6 feet are expected on Fort Peck Lake today.
Severity:  Moderate    Effective:  October 20, 2025, 2:51 am      Expires:  October 20, 2025, 9:00 pm
Area:  Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone


Winter Weather Advisory issued October 20 at 2:09AM MDT until October 20 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Snow. Additional snow accumulations of 2 to 5 inches, with localized amounts up to 7 inches. Winds gusting as high as 40 mph. * WHERE...Little Belt and Highwood Mountains. * WHEN...Until noon MDT today. * IMPACTS...Plan on slippery road conditions during the morning commute, especially over Kings Hill Pass.
Severity:  Moderate    Effective:  October 20, 2025, 2:09 am      Expires:  October 20, 2025, 12:00 pm
Area:  Little Belt and Highwood Mountains


Winter Weather Advisory issued October 20 at 2:09AM MDT until October 20 at 12:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Snow. Additional snow accumulations up to two inches. Winds gusting as high as 45 mph. * WHERE...East Glacier Park Region Zone. * WHEN...Until noon MDT today. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches.
Severity:  Moderate    Effective:  October 20, 2025, 2:09 am      Expires:  October 20, 2025, 12:00 pm
Area:  East Glacier Park Region


Winter Weather Advisory issued October 18 at 12:50PM MDT until October 20 at 9:00AM MDT by NWS Missoula MT

Summary: * WHAT...Snow expected above 5,000 ft. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to 5 inches. There is potential for 7 to 12 inches in very remote locations at the highest elevations. Winds gusting as high as 35 mph. It is going to rain a lot before transitioning to snow. * WHERE...The high elevations of the back country and mountains, as well as Highway 93 Sula to Lost Trail Pass. * WHEN...From 9 PM MDT /8 PM PDT/ Sunday to 9 AM MDT /8 AM PDT/ Monday. * IMPACTS...Winter traveling conditions. For MODERATE winter weather impacts, expect disruptions to normal activities. For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. Dirt roads on public lands could become difficult or dangerous for travel after heavy rains followed by snow. Cold, wet, and windy conditions will be ideal for causing hypothermia. * ADDITIONAL DETAILS...Elevations below 5,000 ft will still see heavy rain and potentially some snow. Conditions at lower elevations will be inconvenient and uncomfortable.
Severity:  Moderate    Effective:  October 18, 2025, 12:50 pm      Expires:  October 20, 2025, 9:00 am
Area:  Southern Clearwater Mountains; West Glacier Region; Bitterroot/Sapphire Mountains; Potomac/Seeley Lake Region