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Flash Flood — Grant, WI

Aug 10, 2025

Two separate rounds of storms moved through Grant County on August 10th bringing both heavy rain and flash flooding along with them. The first round of storms moved through during the early morning hours bringing widespread flooding issues to northern portions of the county. The worst of the flash flooding was in the town of Bagley where a debris blockage resulted in storm water inundating residences in the town. Later in the afternoon, a secondary round of storms moved through the area which br

Source: NOAA National Weather Service Storm Events Database (event 1288838). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Grant, WI

This event is one of many recorded floods in Grant County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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More Flood Stories

Flash Flood$300K damage

Grant, WI · Aug 10, 2025

Two separate rounds of storms moved through Grant County on August 10th bringing both heavy rain and flash flooding along with them. The first round of storms moved through during the early morning hours bringing widespread flooding issues to northern portions of the county.

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Grant, WI · Aug 17, 2025

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Flash Flood$900K damage

Grant, WI · Sep 12, 2019

A couple rounds of thunderstorms moved across southwest Wisconsin during the afternoon and evening of September 12th. These storms dropped 3 to 4 inches of rain on the region and with already saturated soils, flash flooding occurred across parts of Grant and Crawford Counties.

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Flash Flood

Grant, WI · Aug 10, 2025

Two separate rounds of storms moved through Grant County on August 10th bringing both heavy rain and flash flooding along with them. The first round of storms moved through during the early morning hours bringing widespread flooding issues to northern portions of the county.

Read the full account →