Aug 17, 2018
A slow moving low pressure area within a very moist airmass resulted in rounds of heavy rainfall and flash flooding. More specifically, a prolonged period of heavy rainfall over northern Jefferson County, far southern Dodge County, and northeast Dane County resulted in 4 to 8 inches of rain and flash flooding. The cities of Watertown and Waterloo experienced the worst of the flooding.
Source: NOAA National Weather Service Storm Events Database (event 775181). Narrative written by NWS staff at the time of the event.
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.