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 southeast Minnesota.
Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS ARX wrote it up.
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 southeast Minnesota.
The national radar mosaic for the moment the first event began.
7 extreme cold/wind chill. Local standard time, as filed.
Dangerously cold wind chills began on the evening of the 20th and continued through noon on the 21st in Dodge County where values dropped to 35 to 45 degrees below zero. The coldest observed wind chill of 45 degrees below zero in the county was observed west of Byron, MN.
Dangerously cold wind chills began on the evening of the 20th and continued through noon on the 21st in Fillmore County where values dropped between 35 to 45 degrees below zero. The coldest observed wind chill of 43 degrees below zero in the county was observed at Preston Airport.
Dangerously cold wind chills began on the evening of the 20th and continued through noon on the 21st in Houston County where values dropped between 25 to 40 degrees below zero.
Dangerously cold wind chills began on the evening of the 20th and continued through noon on the 21st in Mower County where values dropped between 30 to 50 degrees below zero. The coldest observed wind chill in the county of 46 degrees below zero was recorded on Interstate 90 near Dexter, MN.
Dangerously cold wind chills began on the evening of the 20th and continued through noon on the 21st in Olmsted County where values dropped between 30 to 50 degrees below zero. The coldest observed wind chill in the county of 44 degrees below zero was recorded on U.S. Highway 63 near Stewartville, MN.
Dangerously cold wind chills began on the evening of the 20th and continued through noon on the 21st in Wabasha County where values dropped between 30 to 40 degrees below zero. The coldest observed wind chill in the county of 40 degrees below zero was recorded on U.S. Highway 63 near Lake City, MN.
Dangerously cold wind chills began on the evening of the 20th and continued through noon on the 21st in Winona County where values dropped between 30 to 45 degrees below zero. The coldest observed wind chill in the county of 44 degrees below zero was recorded on Interstate 90 near Ridgeway, MN.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2025Every state in 2025This day in weather historyWarnings in Minnesota, January 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1231585, 1231586, 1231587, 1231588, 1231591, 1231593, 1231595.