Extreme Cold/Wind Chill — Elkhorn and Boulder Mountains, Montana

2025-01-20 · Elkhorn and Boulder Mountains, Montana

Event narrative

Mesonet station MTELK Elk Park (MT DOT) measured a temperature of -40F.

Wider weather episode

Northerly surface winds in place combined with a northwesterly flow aloft east of an upper level ridge promoted the combination of cold temperatures and breezy winds across portions of the region. The combination allowed for wind chills to dip below 35 below in many locations.

Source: NOAA Storm Events Database, event_id 1237628. Narrative written by the NWS forecast office that issued the report.