Extreme Cold/Wind Chill — Laramie Valley, Wyoming

2025-01-20 to 2025-01-21 · Laramie Valley, Wyoming

Event narrative

Overnight low temperatures ranged from -15 F to -20 F across the Laramie Valley from 1/20 into 1/21. The cold temperatures combined with gusty winds resulted in a prolonged period of extreme wind chills under -30 F. Minimum observed wind chill values reached -41 F at the Laramie Airport at 8:10 AM MST on 1/20.

Wider weather episode

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_id 1224101. Narrative written by the NWS forecast office that issued the report.