Sep 23, 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 many forecast points on the Iowa tributaries of the Wapsipinicon, Cedar, lower Iowa, and Maquoketa rivers. Then major river flooding occurred downstream on the Mississppi River from the Iowa River and Mississippi River convergence and south.
Source: NOAA National Weather Service Storm Events Database (event 661488). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Delaware County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.