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Flood — Dane, WI

Aug 23, 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. State of Emergencies were declared with hundreds of homes flooded and hundreds of citizens evacuated or stranded in the flood waters. The flash flooding of streets and creeks on the west side of Madison resulted in the drowning death of one man. The already high levels of the Yahara Chain of

Source: NOAA National Weather Service Storm Events Database (event 780453). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Dane, WI

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

View Dane County flood data →

More Flood Stories

Flash Flood1 death$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.

Read the full account →
Flood$32.8M 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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Flash Flood$30K damage

Dane, 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$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.

Read the full account →