...The National Weather Service in Quad Cities IA IL has issued a Flood Watch for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Keithsburg affecting Mercer, Des Moines, Louisa and Henderson Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. * WHAT...Flooding is possible. * WHERE...Mississippi River at Gregory Landing. * WHEN...From Friday evening until f