Extreme Cold/Wind Chill in Toole, Montana

Extreme Cold/Wind Chill January 4, 2022 · Toole, Montana

What the National Weather Service wrote

MDT Sweetgrass station recorded a -45F wind chill.

The wider storm

Another cold trough moved into the state for more sub-zero temperatures and wind chills. Warning criteria wind chill values (-40F) were more common with this surge than the previous one as a 1044 mb surface high moved southward from the Canadian Prairies. The cold air was followed by strong westerly flow, which brought another round of strong surface winds to the plains and portions of southwest MT. Temperatures remained below freezing along the Rocky for a portion of the wind event and brought another round of ground blizzard conditions.

Source: NOAA Storm Events Database, event 1002761. Narratives are written by the National Weather Service forecast office that issued the report.

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