Winter Weather — Big Belt, Bridger and Castle Mountains, Montana

2025-11-24 · Big Belt, Bridger and Castle Mountains, Montana

Event narrative

Webcams show near whiteout conditions at Bozeman Pass. Mesonet station MTBZH Bozeman Pass (DOT) data at wind gusts between 40 to 54 mph with sustained winds between 28 to 34 mph over the hour.

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 1298728. Narrative written by the NWS forecast office that issued the report.