Extreme Cold/Wind Chill in Shirley Basin, Wyoming

Extreme Cold/Wind Chill January 25, 2026 – January 26, 2026 · Shirley Basin, Wyoming

What the National Weather Service wrote

Overnight low temperatures ranged from -10 F to -15 F across Shirley Basin from 1/25 into 1/26. The combination of cold temperatures and gusty winds resulted in a period of extreme wind chills under -25 F. Minimum observed wind chill values reached -30 F at the Shirley Rim WYDOT sensor (2 NW Shirley Basin) at 11:36 PM MST on 1/25.

The wider storm

A strong arctic front brought prolonged frigid temperatures to southeast Wyoming Sunday, January 25 through the morning of Monday, January 26. The coldest temperatures occurred Sunday night.

Source: NOAA Storm Events Database, event 1310836. Narratives are written by the National Weather Service forecast office that issued the report.

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