The excessive rain that has been received over the past 10 days has really contributed to a saturated ground and creeks and rivers cannot keep up with the flow of heavy rains occuring in a short period. See more in this news story out of Des Moines.
Fields in Central Iowa are feeling the affects of the excessive rain and flooding conditions. See more in this news story.
In addition, other places besides Iowa are experiencing high rainfall amounts and flooding. Check out more in this interactive U.S.Flooding Map.