Snow squalls developed during the midday hours of the 18th on the backside of a departing low pressure system. The strongest squalls were located along the Iron Range and into the Arrowhead where traffic cameras showed quick drops in visibilities and rapidly accumulating snowfall on roadways.
Every event with a place to put it; 2 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 DLH wrote it up.
Snow squalls developed during the midday hours of the 18th on the backside of a departing low pressure system. The strongest squalls were located along the Iron Range and into the Arrowhead where traffic cameras showed quick drops in visibilities and rapidly accumulating snowfall on roadways.
The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
Snow Squall. Visibilities quickly dropped to around 1/4 mile or less as the squall passed through the Iron Range along US 169 and US 53 in central St. Louis County as viewed by MnDOT traffic cameras.
Snow Squall. Visibilities quickly dropped to around 1/4 mile or less as the squall passed through the Ely/Winton area in northern Lake County as viewed by MnDOT traffic cameras.
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, December 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: 1306708, 1306709.