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Extreme Cold/Wind Chill in Western and Central Chouteau County, Montana

Extreme Cold/Wind Chill December 19, 2022 – December 23, 2022 · Western and Central Chouteau County, Montana

What the National Weather Service wrote

Multiple sensors measured wind chills of less than -40 F, including mesonet station FW8526 Big Sandy which measured a minimum wind chill of -59 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 1070169. Narratives are written by the National Weather Service forecast office that issued the report.

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