Extreme Cold/Wind Chill — Upper Blackfoot and Macdonald Pass, Montana

2025-02-11 · Upper Blackfoot and Macdonald Pass, Montana

Event narrative

RAWS station LNCM8 Lincoln measured a -35F ambient temperature.

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 1246421. Narrative written by the NWS forecast office that issued the report.