Active Weather Alerts
River Flood Warning
Issued: 3:02 AM Apr. 29, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM LATE WEDNESDAY NIGHT TO SUNDAY AFTERNOON... * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at St. Louis. * WHEN...From late Wednesday night to Sunday afternoon. * 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 Tuesday the stage was 25.9 feet. - Forecast...The river is expected to rise above flood stage early Thursday morning to a crest of 31.0 feet early Friday morning. It will then fall below flood stage late Saturday morning. - Flood stage is 30.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Thu Fri Sat Sun Mon Mississippi River St. Louis 30.0 25.9 30.1 31.0 30.2 28.1 25.4 &&
River Flood Warning
Issued: 1:52 AM Apr. 29, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM LATE TONIGHT TO TUESDAY AFTERNOON... * WHAT...Minor flooding is forecast. * WHERE...Meramec River near Arnold. * WHEN...From late tonight to Tuesday afternoon. * IMPACTS...At 27.0 feet, Meramec Bottom Road between Wells Road and Kerth Road begins flooding near this height. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 23.3 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 29.1 feet Friday evening. It will then fall below flood stage Monday morning. - Flood stage is 24.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Thu Fri Sat Sun Mon Meramec River Arnold 24.0 23.3 27.6 28.8 29.0 27.0 24.2 &&
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