May 20, 2003
A pattern change at the end of April brought a series of heavy rain producing systems to Eastern Iowa and Northern Illinois over the first 10 days of the month. Area rivers responded with the Iowa River going above flood stage starting on the 10th. The Cedar and Wapsipinicon Rivers followed by going above flood stage around the 15th. The Mississippi River also went above flood stage, beginning around the 20th. Most tributaries went below flood stage around the 20th, and most locations on the
Source: NOAA National Weather Service Storm Events Database (event 5359136). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Dubuque County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.