The Flood Warning is extended for the following rivers in Missouri. Illinois. Iowa. Mississippi River at Gregory Landing affecting Hancock and Clark Counties. Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. . The Flood Warning continues for the following rivers in Iowa. Illinois. Missouri. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keokuk LD19 affecting Hancock, Clark and Lee Counties. Mississippi River at Muscatine affecting Louisa, Rock Island, Muscatine and Mercer Counties. Mississippi River at Keithsburg affecting Louisa, Henderson, Mercer and Des Moines Counties. Mississippi River at Rock Island LD15 affecting Rock Island, Muscatine and Scott Counties. Mississippi River at Burlington affecting Hancock, Henderson, Lee and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT. Moderate flooding is occurring. * WHERE. Mississippi River at New Boston LD17. * WHEN. Until Friday morning. * IMPACTS. At 18.1 feet, Lock and Dam 17 is closed. * ADDITIONAL DETAILS. - At 8:40 PM CDT Sunday the stage was 17.7 feet and falling. - Forecast. The river is expected to fall below flood stage early Thursday afternoon and continue falling to 13.1 feet Sunday, July 28. - Flood stage is 15.0 feet.