Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

The Flood Warning continues for the following rivers in Missouri... Meramec River near Steelville. Meramec River at Fenton. Big River at Byrnesville. Meramec River near Sullivan. Meramec River near Eureka. Meramec River at Pacific. Meramec River at Valley Park. ...The Flood Warning is extended for the following rivers in Missouri... Bourbeuse River at Union. Meramec River near Arnold. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Bourbeuse River at Union. * WHEN...From late tonight to Wednesday afternoon. * IMPACTS...At 21.0 feet, Near this height, water begins covering Highway O between Highway AM and American Inn Road. * ADDITIONAL DETAILS... - At 4:30 AM CDT Saturday the stage was 12.3 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 21.3 feet early Monday afternoon. It will then fall below flood stage late Tuesday morning. - Flood stage is 15.0 feet.