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Extreme Cold/Wind Chill in Ruby Mountains and Southern Beaverhead Mountains, Montana

Extreme Cold/Wind Chill December 21, 2022 – December 22, 2022 · Ruby Mountains and Southern Beaverhead Mountains, Montana

What the National Weather Service wrote

Multiple sensors measured wind chills of less than -40 F, including the Antelope RAWS (LMRM8) which measured a minimum wind chill of -58 F.

The wider storm

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 1070187. Narratives are written by the National Weather Service forecast office that issued the report.

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