Sep 13, 2008
A nearly stationary frontal boundary interacting with a very warm and moist airmass brought heavy rainfall to much of central Illinois, particularly along and west of I-55. This rainfall, on top of rains from the past couple of days, aggravated the flooding situation across west-central Illinois.
Source: NOAA National Weather Service Storm Events Database (event 136084). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cass County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.