Apr 24, 2011
Widespread heavy rainfall from 8 to 14 inches occurred during the last week of April. At the Carbondale airport, a rainfall total of 11.01 inches was measured from April 22-30. This excessive rainfall caused most creeks and streams to flood for an extended period of time. Some of the flooding was major. A disaster proclamation was issued by the governor of Illinois due to the damage from flooding and severe storms. The National Guard was deployed to assist with sandbagging and other operations.
Source: NOAA National Weather Service Storm Events Database (event 296383). 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.