Jun 22, 2009
Heavy rains during the middle of the month resulted in the Iowa River at Lone Tree going above the moderate flood stage level of 16.5 feet on June 22nd around 830 am. It crested around 16.6 feet around 1230 pm June 22. It fell below the moderate flood stage level around 2 pm June 22.
Source: NOAA National Weather Service Storm Events Database (event 173626). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Johnson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.