Active Weather Alerts
River Flood Warning
Issued: 5:03 PM Apr. 29, 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 30.0 feet, Wells Road below Suson Woods begins flooding at this height. * ADDITIONAL DETAILS... - At 11:30 AM CDT Wednesday the stage was 25.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:30 AM CDT Wednesday was 25.2 feet. - Forecast...The river is expected to rise to a crest of 28.7 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 Thu Fri Sat Sun Mon Meramec River Arnold 24.0 25.2 27.5 28.7 28.2 26.5 23.8 &&
River Flood Warning
Issued: 4:54 PM Apr. 29, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM THURSDAY MORNING TO SUNDAY AFTERNOON... * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at St. Louis. * WHEN...From Thursday morning 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 11:00 AM CDT Wednesday the stage was 27.6 feet. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 30.7 feet early Friday morning. It will then fall below flood stage 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 27.6 29.8 30.7 30.0 28.0 25.3 &&
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