...The Flood Warning is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. Cedar River at Cedar Rapids affecting Linn County. Iowa River at Marengo affecting Iowa and Benton Counties. ...The Flood Warning continues for the following rivers in Iowa... Cedar River near Conesville affecting Louisa and Muscatine Counties. Iowa River at Oakville affecting Louisa County. Iowa River at Wapello affecting Louisa County. * WHAT...Minor flooding is occurring. * WHERE...Iowa River at Wapello. * WHEN...Until Saturday morning. * IMPACTS...At 22.0 feet, Water affects residences near the U.S. Highway 61 bridge. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 21.5 feet and slowly rising. - Forecast...The river is expected to rise to a crest of 21.8 feet early Thursday morning. It will then fall below flood stage late Friday evening. - Flood stage is 21.0 feet.