February was abnormally warm and dry with temperatures 9 to 12 degrees above normal and precipitation less than 25 percent or normal. Severe D2 drought was introduced in late February for areas along the Missouri River with the largest multi-month precipitation deficits.
Every event with a place to put it; 4 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.
February was abnormally warm and dry with temperatures 9 to 12 degrees above normal and precipitation less than 25 percent or normal. Severe D2 drought was introduced in late February for areas along the Missouri River with the largest multi-month precipitation deficits.
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 Feb 23, 10:44 PM CST, 1 hour 16 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
4 drought. Local standard time, as filed.
Severe (D2) drought was introduced into southern portions of Charles Mix County.
Severe (D2) drought was introduced into southern portions of Bon Homme County.
Severe (D2) drought was introduced into southern portions of Yankton County.
Severe (D2) drought was introduced into southern portions of Clay County.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2026Every state in 2026This day in weather historyWarnings in South Dakota, February 2026
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: 1321412, 1321413, 1321414, 1321415.