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Flood — Dane, WI

Sep 1, 2018

River flooding was prevalent across southern WI during the month of September after receiving 12 to 20 inches of rain from August 16th to September 5th. Additional rains throughout the remainder of the month prolonged the flooding. Moderate to major flood stage was reached on the Baraboo and Fox Rivers of central WI, and the Rock River in Jefferson and Rock Counties. Flooding continued into early September on sections of the isthmus in Madison due the high lake levels of Mendota and Monona.

Source: NOAA National Weather Service Storm Events Database (event 783452). 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.

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Flash Flood$30K damage

Dane, WI · Jun 22, 2024

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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 →