Jun 21, 2024
Clusters of thunderstorms with very high rainfall rates from 2 to 4 inches per hour developed during the overnight hours June 20-21. The primary focus occurred near and just north of Interstate 90. The final 24 hour rainfall totals reached 4 to 8 inches by daybreak across Rock County and nearby areas.
Source: NOAA National Weather Service Storm Events Database (event 1197884). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Rock County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.