Extreme Cold/Wind Chill — Central and Southern Valley, Montana

2025-02-19 to 2025-02-20 · Central and Southern Valley, Montana

Event narrative

Mesonet observations reported wind chills as cold as -40F (both at 6WSW Lustre and 2WSW Larslan).

Wider weather episode

Arctic cold and winds made for dangerously cold conditions.

Source: NOAA Storm Events Database, event_id 1230829. Narrative written by the NWS forecast office that issued the report.