Low to mid-level frontogenesis strengthened ahead of a subtle wave in cyclonic flow aloft to produce an area of snow across northeast Nebraska into northwest Iowa. The highest snowfall of 3 to nearly 6 inches of snow occurred along a narrow band from northeast Nebraska eastward through areas south of Highway 20 in northwest Iowa.
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 FSD wrote it up.
Low to mid-level frontogenesis strengthened ahead of a subtle wave in cyclonic flow aloft to produce an area of snow across northeast Nebraska into northwest Iowa. The highest snowfall of 3 to nearly 6 inches of snow occurred along a narrow band from northeast Nebraska eastward through areas south of Highway 20 in northwest Iowa.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before the first event at Jan 1, 5:48 PM CST, 6 hours 12 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 winter weather. Local standard time, as filed.
Snowfall totaled 3.5 inches at Concord and 3.2 inches 2 miles west-northwest of Ponca. Visibility was as low as one-quarter mile for a brief time.
Snowfall totaled 3.4 inches at Sergeant Bluff and 3.2 inches 2 miles west-northwest of Ponca. Visibility was as low as one-half mile for a brief time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nebraska in 2025Every state in 2025This day in weather historyWarnings in Nebraska, 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 2026-09-24. Each event’s entry at NCEI: 1230626, 1230627.