Aug 17, 2025
Several individual rounds of thunderstorms impacted southern Minnesota from Friday, August 16th through Sunday, August 18th. Heavy rain amounts on the order of 5-10 inches fell over the course of 72 hours, most of which fell from late Saturday into early Sunday, leading to several cases of flooded roadways and damaged buildings. The highest amounts and most widespread impacts were across Waseca County.
Source: NOAA National Weather Service Storm Events Database (event 1291804). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Martin County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.