The Flood Warning continues for the following rivers in Illinois. Missouri. Mississippi River at Chester. Mississippi River near Herculaneum. Mississippi River at Mel Price LD. Mississippi River at Winfield. Mississippi River at Alton. Mississippi River at Grafton. . The Flood Warning is extended for the following rivers in Illinois. Missouri. Mississippi River at Louisiana. Mississippi River at Clarksville. . The Flood Warning is cancelled for the following rivers in Illinois. Missouri. Mississippi River at St. Louis. 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 Winfield. * WHEN. Until early Friday afternoon. * IMPACTS. At 27.5 feet, At this stage, Lock and Dam 25 will stockpile 200 tons of sand, 12,000 sandbags, and 10,000 square feet of polyethylene plastic as a precaution. * ADDITIONAL DETAILS. - At 9:00 PM CDT Wednesday the stage was 26.6 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 9:00 PM CDT Wednesday was 26.9 feet. - Forecast. The river is expected to fall below flood stage tomorrow morning and continue falling to 22.6 feet Tuesday evening. - Flood stage is 26.0 feet.