The Flood Warning continues for the following rivers in Iowa. Illinois. Missouri. Mississippi River at Keithsburg affecting Mercer, Louisa, Henderson and Des Moines Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at Burlington affecting Lee, Henderson, Hancock and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. . The Flood Warning is extended for the following rivers in Iowa. Illinois. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Mississippi River at Gregory Landing. * WHEN. Until further notice. * IMPACTS. At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS. - At 8:00 PM CDT Wednesday the stage was 15.1 feet and rising. - Forecast. The river is expected to rise to a crest of 15.7 feet early Saturday morning. - Flood stage is 15.0 feet.