Extreme Cold/Wind Chill — Northwest Beaverhead County, Montana

2025-02-12 to 2025-02-13 · Northwest Beaverhead County, Montana

Event narrative

RAWS sensor WRSM8 Wise River measured a wind chill of -40 F. A sensor in Wisdom also measured criteria cold.

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 1246434. Narrative written by the NWS forecast office that issued the report.