Flash Flood in Redwood County, Minnesota

Flash Flood August 17, 2025 · Redwood County, Minnesota

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Law enforcement reported water over portions of US Highway 14 near Walnut Grove, to the point where road/lane markers cannot be seen.

The wider storm

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.

Began near Walnut Grove (44.2370, -95.5041).

Source: NOAA Storm Events Database, event 1291805. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.