Enlarge / HAMBURG, IOWA - MARCH 20: Homes and businesses are surrounded by floodwater on March 20, 2019 in Hamburg, Iowa. (credit: Scott Olson | Getty Images) The record-setting floods deluging the Midwest are about to get a lot worse. Fueled by rapidly melting snowpack and a forecast of more rainstorms in the next few weeks, federal officials warn that 200 million people in 25 states face a risk through May.