Apr 21, 2011
Several periods of moderate to heavy rain in eastern Nebraska and southwest Iowa combined with snow melt runoff in the upper Missouri basin brought increased flows along the Missouri River downstream of Omaha. The river around and downstream of Nebraska City climbed above flood stage around the middle of the month and the lowland flooding continued into May.
Source: NOAA National Weather Service Storm Events Database (event 291689). 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.