Active Weather Alerts
River Flood Warning
Issued: 10:08 AM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL SATURDAY MORNING... * WHAT...Minor flooding is forecast. * WHERE...Missouri River at St. Charles. * WHEN...Until Saturday morning. * IMPACTS...At 25.0 feet, Downstream near this stage, Missouri Route H at Island Road and agricultural bottomland may begin flooding, depending on Mississippi River flow and backwater. * ADDITIONAL DETAILS... - At 5:00 AM CDT Thursday the stage was 24.9 feet. - Forecast...The river will rise above flood stage to 25.1 feet this morning. It will then fall below flood stage to 24.5 feet this morning. It will rise above flood stage again late this morning to 25.3 feet this afternoon. It will then fall below flood stage again just after midnight tonight. - Flood stage is 25.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Fri Sat Sun Mon Tue Missouri River St. Charles 25.0 24.9 24.7 22.9 20.5 17.9 MSG &&
River Flood Warning
Issued: 2:38 AM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM THURSDAY MORNING TO LATE SATURDAY NIGHT... * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at St. Louis. * WHEN...From Thursday morning to late Saturday night. * IMPACTS...At 30.0 feet, Floodwall at Lacledes Landing is closed. Also at this level, the U.S. Coast Guard may prohibit all recreational vessel traffic from just above the Chain of Rocks Canal south entry to just below the mouth of the Meramec River. * ADDITIONAL DETAILS... - At 9:00 PM CDT Wednesday the stage was 28.4 feet and rising. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 30.4 feet early Friday morning. It will then fall below flood stage late Friday evening. - Flood stage is 30.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Fri Sat Sun Mon Tue Mississippi River St. Louis 30.0 28.4 30.4 29.6 27.4 24.6 21.3 &&
River Flood Warning
Issued: 1:12 AM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Meramec River near Arnold. * WHEN...Until Tuesday morning. * IMPACTS...At 27.0 feet, Meramec Bottom Road between Wells Road and Kerth Road begins flooding near this height. * ADDITIONAL DETAILS... - At 7:30 PM CDT Wednesday the stage was 25.9 feet and rising. - Recent Activity...The river rose above flood stage early in the morning on April 29. - Forecast...The river is expected to rise to a crest of 28.4 feet Friday morning. It will then fall below flood stage early Monday morning. - Flood stage is 24.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Fri Sat Sun Mon Tue Meramec River Arnold 24.0 25.9 28.4 28.0 26.3 23.7 20.6 &&
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