Extreme Cold/Wind Chill — Eastern Pondera and Eastern Teton, Montana

2025-02-10 to 2025-02-11 · Eastern Pondera and Eastern Teton, Montana

Event narrative

Mesonet sensor GW1785 Conrad 23E measured a wind chill of -48F.

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 1246426. Narrative written by the NWS forecast office that issued the report.