Extreme Cold/Wind Chill — Big Hole Mountains, Idaho

2023-01-29 to 2023-01-31 · Big Hole Mountains, Idaho

Event narrative

Ten to 20 below temperatures were common and Teton School District 401 was closed on the 30th. Wind chill values were below 30 below zero.

Wider weather episode

Extremely cold temperatures combined with high winds to cause dangerously cold wind chills from the 29th through the 31st. Several schools closed on the 30th and 31st due to the cold.

Source: NOAA Storm Events Database, event_id 1079198. Narrative written by the NWS forecast office that issued the report.