Extreme Cold/Wind Chill in Buffalo, Wisconsin

Dangerously cold wind chills began on the evening of the 20th and continued through noon on the 21st in Buffalo County where values dropped between 25 to 40 degrees below zero. The coldest observed wind chill in the county was 38 degrees below zero in Montana, WI.

An extended period of cold weather occurred across the Upper Mississippi River Valley with several mornings of wind chills of 25 degrees below zero or colder from January 19th to the 22nd. The coldest period with this arctic airmass was the evening on the 20th through the morning hours on the 21st where widespread wind chills of 35 degrees below zero were observed across western Wisconsin.