Winter Weather — Northern Blaine County, Montana

2025-11-24 · Northern Blaine County, Montana

Event narrative

Blaine County DES reported freezing rain transitioned to snow, with about 2.5-3' of wet/heavy accumulation. The combination of these two led to very icy conditions which resulted in 3 vehicle slide offs and two rollovers.

Wider weather episode

An upper-level disturbance brought a winter system to the region. This brought moderate mountain snow with localized heavy snow at the mountain peaks. A strong Pacific cold front created snow squalls along the I-90 corridor. There were isolated thunderstorms ahead of the snow squalls, which brought localized severe wind gusts at Bozeman. The cold front also produced localized high winds in Southwest MT. Along the Hi-line, a warm front brought freezing rain during the morning.

Source: NOAA Storm Events Database, event_id 1298812. Narrative written by the NWS forecast office that issued the report.