Extreme Cold/Wind Chill — Gates of the Mountains, Montana

2025-02-11 · Gates of the Mountains, Montana

Event narrative

RAWS station DBOM8 Dearborn measured a wind chill of -40F.

Wider weather episode

A cyclonic flow aloft, with several embedded shortwaves passing through it, allowed for several pushes of bitterly cold air to filter into the region from Canada in the early to mid February timeframe.

Source: NOAA Storm Events Database, event_id 1246397. Narrative written by the NWS forecast office that issued the report.