...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri... Meramec River near Eureka. Meramec River at Valley Park. River forecasts are based on observed precipitation and forecast precipitation for the next 48 hours. * WHAT...Minor flooding is forecast. * WHERE...Meramec River at Valley Park. * WHEN...From Saturday evening to Tuesday morning. * IMPACTS...At 19.5 feet, Buder Park and the recreation park at the water plant floods. * ADDITIONAL DETAILS... - At 6:00 PM CST Friday the stage was 10.6 feet. - Forecast...The river is expected to rise above flood stage late tomorrow evening to a crest of 19.7 feet early Sunday afternoon. It will then fall below flood stage early Monday morning. - Flood stage is 18.0 feet.