Extreme Cold/Wind Chill — Northern Valley, Montana

2022-12-21 to 2022-12-23 · Northern Valley, Montana

Event narrative

At the Bluff Creek RAWS site (BLUM8), temperatures in the teens to 30s below zero and breezy winds created intermittent periods of wind chills of -40 or worse from the early morning of the 21st into the morning of the 23rd. The peak wind chill of -56 was recorded at 7:44 AM on the 23rd.

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 1066832. Narrative written by the NWS forecast office that issued the report.