Extreme Cold/Wind Chill in Sheridan, Montana
Extreme Cold/Wind Chill December 12, 2025 · Sheridan, Montana
What the National Weather Service wrote
The NDAWN mesonet site at 3S Dooley measured wind chills near or below -40 for about 7 hours during the early morning, with a maximum cold with chill of -43.
The wider storm
A cold arctic air mass combined with brisk winds to create dangerous wind chills in the far northeast corner of the state.
Source: NOAA Storm Events Database, event 1306057. Narratives are written by the National Weather Service forecast office that issued the report.
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