The Flood Warning continues for the following rivers in Missouri. Illinois. Mississippi River near Herculaneum. Mississippi River at Mel Price LD. Mississippi River at Chester. Mississippi River at LaGrange. Mississippi River at Grafton. Mississippi River at Lock & Dam 21. Mississippi River at Quincy. Mississippi River at Canton. Mississippi River at Winfield. Mississippi River at Saverton. Mississippi River at Hannibal. Mississippi River at Louisiana. Mississippi River at Clarksville. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Mississippi River at Mel Price LD. * WHEN. Until Thursday, July 25. * IMPACTS. At 23.0 feet, Dresser Island Drive floods within a foot of this level. * ADDITIONAL DETAILS. - At 9:30 PM CDT Wednesday the stage was 22.4 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 9:30 PM CDT Wednesday was 22.4 feet. - Forecast. The river is expected to rise to a crest of 22.7 feet tomorrow evening. It will then fall below flood stage Wednesday, July 24. - Flood stage is 21.0 feet.