Extreme Cold/Wind Chill — Natrona County Lower Elevations, Wyoming

2025-01-19 to 2025-01-20 · Natrona County Lower Elevations, Wyoming

Event narrative

The Highland WYDOT weather sensor and Casper ASOS had -35 to -45 apparent temperatures most of the night.

Wider weather episode

An arctic air mass moved over Wyoming leading to early morning apparent temperatures falling into the -35 to -45 range for several basins.

Source: NOAA Storm Events Database, event_id 1229501. Narrative written by the NWS forecast office that issued the report.