Active Weather Alerts
River Flood Warning
Issued: 12:53 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM MONDAY AFTERNOON TO FRIDAY AFTERNOON... * WHAT...Minor flooding is forecast. * WHERE...Meramec River near Arnold. * WHEN...From Monday afternoon to Friday afternoon. * IMPACTS...At 26.0 feet, Athletic fields east of I-55 begin flooding near this height. * ADDITIONAL DETAILS... - At 7:30 PM CDT Sunday the stage was 22.3 feet. - Forecast...The river is expected to rise above flood stage tomorrow afternoon to a crest of 25.7 feet early Wednesday morning. It will then fall below flood stage Thursday morning. - Flood stage is 24.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Tue Wed Thu Fri Sat Meramec River Arnold 24.0 22.3 25.2 25.6 24.0 22.8 21.9 &&
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