Extreme Cold/Wind Chill in Custer, Montana
Extreme Cold/Wind Chill February 17, 2025 – February 19, 2025 · Custer, Montana
What the National Weather Service wrote
Wind chills were as cold as -40F across the area.
The wider storm
A bitterly cold arctic airmass settled across southeast Montana. This resulted in dangerously cold temperatures and wind chill readings.
Source: NOAA Storm Events Database, event 1236912. Narratives are written by the National Weather Service forecast office that issued the report.
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