Winter Weather Advisory, Montana

Moderate

Up to 5 inches of snow, gusts up to 35 mph. Winter traveling conditions.

Ended Monday, October 20, 2025.

Issued: Saturday, October 18, 12:50 in the afternoon
Expires: Monday, October 20, 9 in the morning

Places in this advisory

How much

Snow across the area: Up to 5 inches
Wind gusts: Up to 35 mph

Map

This advisory
Interstates
US highways
US border

Alert area: National Weather Service. Borders and highways: U.S. Census Bureau. Lakes, rivers and other countries: Natural Earth. Open this area in OpenStreetMap

Details from the National Weather Service

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 at night /8 in the evening/ Sunday to 9 in the morning /8 in the morning/ 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.

Updates

Saturday 12:50 in the afternoon
Winter Weather Advisory issued for Sunday night through Monday morning. October 18, 2025