Extreme Cold/Wind Chill — Elkhorn and Boulder Mountains, Montana

2025-02-12 · Elkhorn and Boulder Mountains, Montana

Event narrative

Mesonet sensor MTELK Elk Park (MT DOT) measured a -35 F wind chill in Jefferson County.

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 1246440. Narrative written by the NWS forecast office that issued the report.