Severe Weather in Flandreau, South Dakota

Every severe weather report published for Flandreau, South Dakota, newest first.

Severe WeatherSep 11, 2026, 1:12 a.m. ETSouth Dakota, United States
Wind Advisory Extended to 7 PM CDT Friday for Southwest Minnesota Counties
The National Weather Service in Sioux Falls has pushed the end time of a wind advisory for seven southwest Minnesota counties to 7 PM CDT Friday, September 11, 2026, longer than first issued.
Severe WeatherSep 6, 2026, 11:53 a.m. ETSouth Dakota, United States
Flood Watch for Lyon, Osceola, Dickinson, and Other Counties Until 10 PM CDT This Evening
The National Weather Service warns of possible flash flooding from excessive rainfall across portions of Iowa, Minnesota, and South Dakota.

Wind Advisory Extended to 7 PM CDT Friday for Southwest Minnesota Counties