Event narrative (NOAA)
Widespread flash flooding of streets, creeks, rivers, and low lying neighborhoods and homes occurred especially in New Berlin, Brookfield, Butler, Menomonee Falls, Elm Grove, and Muskego. Some of the more notable creeks or rivers that flooded were the Fox and Menomonee Rivers and their tributaries. The Butler Ditch, Jewel Creek, Root River, and other unnamed creeks also flash flooded. For all of Waukesha County, 3 homes were classified as destroyed, 310 homes and businesses sustained major damage, 221 with minor damage and 119 with affected damage. These damages were from a variety of 1st floor flooding, basement flooding, and foundation collapse. Residential sewage backups, and raw sewage released into rivers by many municipalities were common. A small number of complete road washouts an
Other notable flash flood events in Wisconsin
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.