river flooding continued through march and into april; even stretching to early may in a few areas. several river gauges throughout the midwest and southeast were in major flood stage. some of the worst river flooding of the event occurred in the western suburbs of st. louis, missouri, along the meramec river; 451 homes were damaged in this area. river flooding stretched from wisconsin to louisiana by mid-april; some of the flooding to the north was exacerbated by ice jams after record snowfall during the winter.