Great Flood of 1993 ( or Great Mississippi and Missouri Rivers Flood of 1993 ) was a flood that occurred in the Midwestern United States , along the Mississippi and Missouri rivers and their tributaries , from April to October 1993 . The flood was among the most costly and devastating to ever occur in the United States , with $ 15 billion in damages ( approx . $ 26 billion in 2018 dollars ) . The hydrographic basin affected over around in length and in width , totaling about . Within this zone , the flooded area totaled around and was the worst such U.S. disaster since the Great Mississippi Flood of 1927 , as measured by duration , area inundated , persons displaced , crop and property damage , and number of record river levels . In some categories , the 1993 flood even surpassed the 1927 flood , at the time the largest flood ever recorded on the Mississippi
Great Mississippi Flood of 1927
Great Mississippi Flood of 1927
Great Flood of 1993