The Flood Warning is extended for the following river in Illinois and Missouri. Mississippi River at Louisiana. Mississippi River at Hannibal. Mississippi River at Winfield. Mississippi River at Lock & Dam 21. . The Flood Warning continues for the following river in Illinois and Missouri. Mississippi River at Clarksville. Mississippi River at Saverton. Mississippi River at Canton. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is forecast. * WHERE. Mississippi River at Winfield. * WHEN. From Saturday morning until further notice. * IMPACTS. At 28.3 feet, Near this height, Lakeview Drive becomes impassable and Kampville Road begins flooding in northern St. Charles County. * ADDITIONAL DETAILS. - At 8:00 PM CDT Wednesday the stage was 24.5 feet. - Forecast. The river is expected to rise above flood stage Saturday morning and continue rising to 28.1 feet Tuesday evening. - Flood stage is 26.0 feet.