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Wisconsin Flood Stories

1,435 first-hand accounts of flood events in Wisconsin, ranked by impact. Each is a NOAA-written narrative of the moment.

Flash Flood$2.2M damage

Bayfield, WI · Jun 17, 2018

Multiple rounds of thunderstorms along a stationary boundary starting Friday, June 15th, and persisting through the day June 16th, acted to saturate soils across northwest Wisconsin. Another round of training storms developed the night of the 16th, fed by a moist low-level jet.

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Lakeshore Flood$450K damage

Brown, WI · Apr 28, 2020

A strong low pressure system tracking through the southern Great Lakes caused gusty northeast winds across east-central and northeast Wisconsin, which caused some isolated damage and widespread lakeshore flooding in Brown and Oconto counties.

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Flood$70K damage

Trempealeau, WI · Jul 1, 2024

Heavy rainfall throughout June led to many locations along the Mississippi River in Western Wisconsin to enter flood stage which persisted into July.

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Flash Flood$20K damage

Dodge, WI · Jun 22, 2024

Severe thunderstorms developed across western Wisconsin and moved eastward across southern Wisconsin through the afternoon and evening hours on June 22nd due to passing low pressure and its approaching cold front.

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Flash Flood$20K damage

Rock, WI · Jun 22, 2024

Severe thunderstorms developed across western Wisconsin and moved eastward across southern Wisconsin through the afternoon and evening hours on June 22nd due to passing low pressure and its approaching cold front.

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Flash Flood$20K damage

Columbia, WI · Jun 22, 2024

Severe thunderstorms developed across western Wisconsin and moved eastward across southern Wisconsin through the afternoon and evening hours on June 22nd due to passing low pressure and its approaching cold front.

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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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Flood$4.0M damage

Kenosha, WI · Jul 12, 2017

Rounds of thunderstorms with torrential rainfall affected southern WI from late evening on July 11th through the morning of July 12th due to a strong surge of warm, moist, and unstable air over a stationary front.

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Flash Flood$330K damage

Juneau, WI · Aug 28, 2020

Several rounds of thunderstorms with heavy rain occurred across portions of western Wisconsin during the early morning of August 28th. These storms were centered along and north of Interstate 94 from Monroe County southeast through Adams County.

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Flash Flood$318K damage

Langlade, WI · Jul 26, 2020

An approaching cold front interacted with a hot and humid airmass to produce areas of showers and thunderstorms that produced heavy rain across portions of northern Wisconsin during the morning hours.

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Flash Flood$305K damage

Crawford, WI · Jun 26, 2021

A band of heavy rain fell across portions of southwest Wisconsin during the early morning hours of June 26th. Radar estimates indicated that 6 to 9 inches of rain fell across the southwest in central portions of Crawford County.

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Flash Flood$3.1M damage

Monroe, WI · Jul 20, 2017

After a round of severe thunderstorms moved across western Wisconsin, a second round of thunderstorms developed over much of the same area during the late evening of July 19th into the early morning of the 20th.

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Flood$3.0M damage

Monroe, WI · Jul 20, 2017

After a round of severe thunderstorms moved across western Wisconsin, a second round of thunderstorms developed over much of the same area during the late evening of July 19th into the early morning of the 20th.

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Flood$30K damage

Washburn, WI · Apr 12, 2023

Record breaking snowfall for the 2022-2023 winter season was received across all of northwest Wisconsin which was about 200% of normal snowfall. Much of this snowpack remained on the ground into April.

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Flood$2.0M damage

Marquette, WI · Aug 29, 2018

A line of severe thunderstorms produced widespread wind damage and 18 brief tornadoes across mainly Marquette, Green Lake, Fond du Lac, northern Dodge, and Sheboygan Counties.

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Flash Flood$600K damage

Crawford, 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$2.6M damage

Trempealeau, WI · Jul 19, 2017

After a round of severe thunderstorms moved across western Wisconsin, a second round of thunderstorms developed over much of the same area during the late evening of July 19th into the early morning of the 20th.

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Flash Flood$2.6M damage

La Crosse, WI · Jul 20, 2017

After a round of severe thunderstorms moved across western Wisconsin, a second round of thunderstorms developed over much of the same area during the late evening of July 19th into the early morning of the 20th.

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Flood$1.2M damage

Vernon, WI · Aug 28, 2018

A line of severe thunderstorms moved across western Wisconsin during the evening of August 27th. A brief tornado touched down and had an intermittent damage path between Tomah and Wyeville (Monroe County). The damage was limited to trees and power poles.

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Flash Flood$5.3M damage

Crawford, WI · Sep 22, 2016

One person was killed near Victory (Vernon County) when a house was swept down a hillside by a mudslide during the early morning hours of the 22nd.

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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.

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Flood$2.3M damage

La Crosse, WI · Jul 20, 2017

After a round of severe thunderstorms moved across western Wisconsin, a second round of thunderstorms developed over much of the same area during the late evening of July 19th into the early morning of the 20th.

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Flash Flood$1.5M damage

Rock, WI · Aug 5, 1998

A series of thunderstorms, slowly moving northeast at 10 mph, trained through the Janesville to Milton area. This round of an additional 1 to 4 inches brought the day's total to 6 to 10 inches based on WSR-88D Doppler radars.

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Flash Flood$1.0M damage

Dane, WI · Aug 20, 2018

An organized and slow moving low pressure area within a very moist airmass resulted in 9 to 15 inches of rain and historic flash flooding from the west side of Madison to Mazomanie, and south to Belleville.

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