Extreme Cold/Wind Chill — Sheridan, Montana

2025-12-12 · Sheridan, Montana

Event narrative

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.

Wider weather episode

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_id 1306057. Narrative written by the NWS forecast office that issued the report.