A very cold airmass remained over the central CONUS the night of the 18th into the morning of the 19th. Air temperatures dropped into the teens and single digits below zero over northwest Wisconsin under clear skies.
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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 DLH wrote it up.
A very cold airmass remained over the central CONUS the night of the 18th into the morning of the 19th. Air temperatures dropped into the teens and single digits below zero over northwest Wisconsin under clear skies. Winds were generally light and most areas remained above extreme cold criteria. However, wind chills reached -37F near Grantsburg the morning of the 19th.
The national radar mosaic for the moment the first event began.
1 extreme cold/wind chill. Local standard time, as filed.
Wind chills as low as -37F were reported in the county.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2025Every state in 2025This day in weather historyWarnings in Wisconsin, February 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 2026-10-01. Each event’s entry at NCEI: 1235366.