Extreme Cold/Wind Chill in Koochiching, Minnesota

Extreme Cold/Wind Chill January 28, 2023 – January 29, 2023 · Koochiching, Minnesota

What the National Weather Service wrote

Windchills fell to -47F at International Falls with -45F reported at Birchdale and persisted for around 11 hours below -40F.

The wider storm

Cold high pressure built across the region starting the evening of the 28th and continuing through the morning of the 30th. Air temperatures dropped into the 20s and 30s below zero F with very light winds under mainly clear skies. Wind chills in the -40s F were observed across far northern reaches of the region with International Falls reaching -47F the morning of the 29th.

Source: NOAA Storm Events Database, event 1074076. Narratives are written by the National Weather Service forecast office that issued the report.

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