...Forecast flooding changed to Minor severity for the following rivers in Iowa... Thompson River at Davis City affecting Decatur County. * WHAT...Flooding is possible. * WHERE...The Thompson River at Davis City, or from the City of Grand River to the Iowa-Missouri border. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Widespread flooding occurs at the Davis City park including the campgrounds. Water affects Hwy R15 just north of the town of Grand River in northwest Decatur County. * ADDITIONAL DETAILS... - At 7:00 PM CDT Thursday the stage was 11.6 feet. - Forecast...Flood stage may be reached tomorrow morning. - Flood stage is 12.0 feet.