The Flood Warning is extended for the following rivers in Missouri. Illinois. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is forecast. * WHERE. Mississippi River at Louisiana. * WHEN. From Sunday afternoon to Sunday, July 20. * IMPACTS. At 15.0 feet, The first quarter mile of Edison Avenue beyond the railroad tracks begins flooding near this height. * ADDITIONAL DETAILS. - At 8:30 PM CDT Saturday the stage was 14.4 feet. - Forecast. The river will rise above flood stage tomorrow afternoon to 15.7 feet Tuesday morning. It will then fall early Thursday morning. It will rise to 15.6 feet Friday morning. It will then fall below flood stage Saturday, July 19. - Flood stage is 15.0 feet.