Extreme Cold/Wind Chill — Meagher County Valleys, Montana
2025-02-12 · Meagher County Valleys, Montana
Event narrative
Mesonet station WSSM 2.1 W White Sulphur Springs measured a wind chill of -42F.
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 1246433. Narrative written by the NWS forecast office that issued the report.