Extreme Cold/Wind Chill — Northwest Beaverhead County, Montana

2022-12-21 · Northwest Beaverhead County, Montana

Event narrative

Only one station measured a wind chill less than -40 F which was the Wise River RAWS (WRSM8) Which measured a minimum wind chill of -46 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 1070186. Narrative written by the NWS forecast office that issued the report.