Aug 27, 2009
Cloudy skies along with scattered showers and thunderstorms continued across much of the area August 27. While most locations saw rainfall amounts ranging from a few tenths of an inch up to 2 to 3 inches, a heavier band or rain fell from Cedar Rapids to Dubuque. Amounts in this area ranged from 3 to 6 inches, causing many area roads to be closed during the afternoon and evening due to flash flooding.
Source: NOAA National Weather Service Storm Events Database (event 193322). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Johnson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.