Jul 28, 2011
Several rounds of thunderstorms developed north of a warm front and trained across portions of northeast Iowa into Southwest Wisconsin during the evening of July 27th into the early morning hours of the 28th. The highest reported rainfall total from these storms was 10.11 inches in Sinsinawa (Grant County). The heavy rain did produce some minor flooding as area streams and rivers came out of their banks for a short period.
Source: NOAA National Weather Service Storm Events Database (event 330542). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Grant County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.