May 12, 2010
Rainfall totals were generally less than normal over the northwest one-half of Iowa and greater than normal over the southeast. Very wet conditions prevailed in the far southeast where Keosauqua recorded 11.49 inches of rain or about three times the normal May amount. By contrast some areas of the north and west were unusually dry such as Sioux City where only 1.41 inches fell, or about one-third of normal. Very wet weather prevailed from the 6th to the 13th when a statewide average of 2.91 inch
Source: NOAA National Weather Service Storm Events Database (event 223556). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Warren County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.