Active Weather Alerts
River Flood Warning
Issued: 2:21 AM May. 1, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Meramec River near Arnold. * WHEN...Until Monday evening. * IMPACTS...At 27.0 feet, Meramec Bottom Road between Wells Road and Kerth Road begins flooding near this height. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 27.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 27.2 feet. - Forecast...The river is expected to rise to a crest of 27.5 feet early tomorrow afternoon. It will then fall below flood stage Sunday afternoon. - Flood stage is 24.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Sat Sun Mon Tue Wed Meramec River Arnold 24.0 27.2 27.0 25.0 22.4 19.4 17.5 &&
River Flood Warning
Issued: 2:14 AM May. 1, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SATURDAY MORNING... * WHAT...Minor flooding is occurring and 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 9:00 PM CDT Thursday the stage was 25.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 25.2 feet. - Forecast...The river is expected to fall below flood stage late tonight and continue falling to 16.2 feet Tuesday evening. - Flood stage is 25.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Sat Sun Mon Tue Wed Missouri River St. Charles 25.0 25.1 22.4 19.9 17.9 16.5 MSG &&
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