Flash Flood in Walworth County, Wisconsin

Flash Flood June 18, 2025 · Walworth County, Wisconsin

$10K

Damage as recorded

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

What the National Weather Service wrote

Numerous streets flooded in and around Delavan. A creek flooded in Delavan. Videos and pictures provided.

The wider storm

Low pressure tracking from northern Missouri to southern Lake MI spread rounds of thunderstorms across far southern WI. This eventually led to flash flooding in Rock and Walworth Counties after 4-6 inches of rain had fallen.

Began near Allen Grove (42.5610, -88.7660).

Source: NOAA Storm Events Database, event 1259112. Narratives are written by the National Weather Service forecast office that issued the report.

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