Aug 18, 2007
A warm front lifting northward into Iowa triggered round after round of thunderstorms leading to excessive rainfall across southwest Wisconsin during the evening and overnight hours of August 18-19. Total rainfall amounts of 10 to 15 inches were common. Specific reports from weather observers included 10.12 inches and 9.73 inches in Readstown and Viroqua (Vernon County) respectively. Rain had also fallen earlier in the day. Due to the excessive rainfall, widespread and significant flash flooding
Source: NOAA National Weather Service Storm Events Database (event 50592). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in La Crosse County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.