Extreme Cold/Wind Chill — North Rocky Mountain Front, Montana

2021-12-27 · North Rocky Mountain Front, Montana

Event narrative

Meosnet station at Two Medicine Bridge recorded a wind chill of -40.

Wider weather episode

An arctic cold front pushed into Montana the day after Christmas, bringing subzero temperatures and dangerous wind chills to the plains. Some areas also saw some snowfall as the cold air pushed into the area. Some gusty winds occurred as the cold air made a temporary retreat, with isolated high winds across the area.

Source: NOAA Storm Events Database, event_id 999191. Narrative written by the NWS forecast office that issued the report.