Extreme Cold/Wind Chill — Meagher County Valleys, Montana

2022-12-21 to 2022-12-22 · Meagher County Valleys, Montana

Event narrative

Multiple sensors measured wind chills of less than -40 F, including Agrimet station WSSM in White Sulphur Springs which measured a minimum wind chill of -54 F.

Wider weather episode

Arctic air dropped south from Canada the week before Christmas bringing widespread frigid wind chills to the region. The arctic front reported in strong wind gusts and blizzard conditions in Southwest Montana. Additional areas of light to moderate snow affected much of the region.

Source: NOAA Storm Events Database, event_id 1070181. Narrative written by the NWS forecast office that issued the report.