Storm clouds move over the downtown skyline, Thursday, May 30, 2013, in Des Moines, Iowa. Heavy rains expected Thursday night and Friday morning could lead to more flooding in the state. (AP ... more 
Storm clouds move over the downtown skyline, Thursday, May 30, 2013, in Des Moines, Iowa. Heavy rains expected Thursday night and Friday morning could lead to more flooding in the state. (AP Photo/Charlie Neibergall) less 
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Associated Press | Photo By Charlie Neibergall
Thu, May 30, 2013 4:28 PM EDT