Sep 30, 2016
Significant record to near record heavy rainfall in North Central and Northeast Iowa from 21 to 23 September of 4 to over 10 plus inches caused major river flooding on three forecast points on the Mississppi River downstream from the Iowa River and Mississippi River convergence zone and south.
Source: NOAA National Weather Service Storm Events Database (event 661475). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Mercer County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.