Winter Storm Warning, Montana
Severe1 to 4 inches of snow in the valleys, 5 to 9 inches Essex to Marias Pass, and 10 to 20 inches in the mountains, gusts up to 45 mph, gusts up to 60 mph. Winter traveling conditions.
Ended Monday, October 13, 2025.
- Issued
- Expires
- Updated
Places in this warning
How much
- Snow across the area
- 1 to 4 inches
- Wind gusts
- Up to 45 mph Blowing snow on open roads
Map
- This warning
- Interstates
- US highways
- US border
Details from the National Weather Service
- What
- Heavy snow and blowing snow expected. 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
- Bad Rock Canyon, Marias Pass, Essex, Highway 83 Bigfork to Swan Lake, Glacier National Park higher elevations including Going-to-the-Sun Road and Logan Pass, and Polebridge.
- When
- Until noon MDT Monday.
- Impacts
- Winter traveling conditions. 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.
- Additional details
- A flash freeze of wet or slushy roadways is possible Sunday night. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages.
Updates
-
Cancelled by the National Weather Service. October 13, 2025
-
Reissued with no change to the times or amounts. October 12, 2025
-
Snow totals lowered from 5 to 12 inches to 2 to 5 inches. Area expanded. October 11, 2025
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Replaces the Winter Storm Watch. October 10, 2025