Winter Storm Watch, Montana

Severe

2 to 7 inches of snow in the valleys and 8 to 12 inches over Lookout Pass possible, gusts up to 45 mph. For MAJOR winter weather impacts, expect considerable disruptions to normal activities.

Ended Monday, January 5, 2026.

Replaced by the Winter Weather Advisory on Monday, January 5, 12:03 in the afternoon.

Replaced by the Winter Storm Warning on Monday, January 5, 12:03 in the afternoon.

Issued: Sunday, January 4, 10:21 in the morning
Expires: Wednesday, January 7, 11 in the morning

Places in this watch

How much

Snow across the area: 2 to 7 inches
Wind gusts: Up to 45 mph

Map

This watch
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: Heavy snow possible. There is a chance of moderate to major winter weather impacts. Total snow accumulations 2 to 7 inches in the valleys and 8 to 12 inches over Lookout Pass possible. Winds could gust as high as 45 mph.
Where: Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, Evaro Hill, and I-90 Lookout Pass to Haugan.
When: From Tuesday afternoon through Wednesday morning.
Impacts: 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 Tuesday evening and Wednesday morning commutes, especially over higher passes. Gusty winds could bring down tree branches.
Additional details: Valley location west of Thompson Falls and west of Saint Regis may see higher amounts around 5 to 8 inches.

Updates

Sunday 10:21 in the morning
Winter Storm Watch issued for Tuesday morning through Wednesday morning. January 4, 2026