Extreme Cold/Wind Chill — Fergus County Below 4500ft, Montana
2025-02-10 to 2025-02-11 · Fergus County Below 4500ft, Montana
Event narrative
Multiple sensors measured criteria cold, including AWOS station K1MM Mike, which measured a -45F wind chill.
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 1246400. Narrative written by the NWS forecast office that issued the report.