Winter Weather — West Glacier Region, Montana

2026-01-06 to 2026-01-07 · West Glacier Region, Montana

Event narrative

SNOTEL reports showed 5 to 12 inches of new snow, while webcams and road reports indicated snow-covered roadways. These conditions led to chain requirements near Marias Pass on the morning of the 7th, where a vehicle crash resulted in blocked lanes.

Wider weather episode

An atmospheric river brought heavy snow to pass level locations and moderate snow to valleys of northwest Montana.

Source: NOAA Storm Events Database, event_id 1306998. Narrative written by the NWS forecast office that issued the report.