Extreme Cold/Wind Chill — Big Lost Highlands-copper Basin, Idaho

2023-01-29 to 2023-01-31 · Big Lost Highlands-copper Basin, Idaho

Event narrative

Twenty five to 40 below temperatures were recorded with the coldest -37 at Copper Basin.

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 1079203. Narrative written by the NWS forecast office that issued the report.