Extreme Cold/Wind Chill — Gates of the Mountains, Montana

2023-02-22 · Gates of the Mountains, Montana

Event narrative

Mesonet station MTSBN Sieben Flats measured a brief period of wind chills at -40 F.

Wider weather episode

An Arctic front brought significantly colder temperatures and combined with blustery winds, resulted in patchy extreme wind chills during the day February 22.

Source: NOAA Storm Events Database, event_id 1073979. Narrative written by the NWS forecast office that issued the report.