Cold/Wind Chill — Prairie, Montana

2022-12-21 to 2022-12-23 · Prairie, Montana

Event narrative

For multiple sites across Prairie County, temperatures in the teens and 20s below zero and breezy winds created intermittent periods of wind chills of -40 or worse from the morning of the 21st into the morning of the 23rd. The peak wind chill of -57 was recorded at 5:08 PM on the 21st at the Big Sheep Mountain RAWS site (LCFM8).

Wider weather episode

An Arctic Air Mass brought the coldest temperatures that northeast Montana has seen in 3 years. Wind chills with this cold air outbreak measured lower than -60 degrees in places.

Source: NOAA Storm Events Database, event_id 1067003. Narrative written by the NWS forecast office that issued the report.