Extreme Cold/Wind Chill in Shirley Basin, Wyoming

Extreme Cold/Wind Chill January 20, 2025 – January 21, 2025 · Shirley Basin, Wyoming

What the National Weather Service wrote

Overnight low temperatures fell to near -20 F across northern Carbon County near Shirley Basin from 1/20 into 1/21, with daytime highs generally remaining below -5 F during the afternoon on 1/20. The combination of cold temperatures and gusty winds resulted in a prolonged period of extreme wind chills under -35 F. Minimum observed wind chill values reached -43 F at the Shirley Basin PacifiCorp sensor (12 S Shirley Basin) at 6:00 AM MST on 1/20.

The wider storm

A strong arctic front brought prolonged frigid temepratures to southeast Wyoming Friday, January 17 through the early morning of Tuesday, January 21. The coldest temperatures occured Sunday night and Monday night.

Source: NOAA Storm Events Database, event 1224096. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.