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Extreme Cold/Wind Chill in Little Belt and Highwood Mountains, Montana
Extreme Cold/Wind Chill December 20, 2022 – December 22, 2022 · Little Belt and Highwood Mountains, Montana
What the National Weather Service wrote
Multiple sensors measured wind chills of less than -40 F, including the DOT sensor near Monarch (MTMON) which measured a minimum wind chill of -57 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 1070174. Narratives are written by the National Weather Service forecast office that issued the report.
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