Winter Storm Watch, Montana
Severe1 to 5 inches of snow in the valleys and 8 to 15 inches possible at high elevations, including Marias Pass. Visibilities may drop below 1/4 mile due to falling and blowing snow.
Ended Tuesday, December 16, 2025.
Replaced by the Winter Storm Warning on Tuesday, December 16, 2:57 in the morning.
- Issued
- Expires
Places in this watch
How much
- Snow across the area
- 1 to 5 inches
Map
- This watch
- Winter Weather Advisory
- Interstates
- US highways
- US border
Details from the National Weather Service
- What
- Heavy snow and damaging winds possible. There is a chance of major winter weather impacts. Total snow accumulations between 1 and 5 inches in the valleys and 8 to 15 inches possible at high elevations, including Marias Pass. Winds could gust over 50 mph.
- Where
- Highway 83 Bigfork to Swan Lake, Bad Rock Canyon, Essex, Polebridge, Marias Pass, and Glacier National Park.
- When
- From Tuesday evening through Wednesday evening.
- Impacts
- Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. 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. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the Wednesday morning and evening commutes, especially over higher passes. Very strong winds could cause extensive tree damage.
Updates
-
Winter Storm Watch issued for Tuesday evening through Wednesday night. December 14, 2025