Active Weather Alerts
River Flood Warning
Issued: 6:03 PM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River near Herculaneum. * WHEN...Until Sunday evening. * IMPACTS...At 28.3 feet, Near this height, the walking trail (extension of Station Road) at Bates Memorial Park begins flooding. * ADDITIONAL DETAILS... - At 12:00 PM CDT Thursday the stage was 26.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:00 PM CDT Thursday was 26.5 feet. - Forecast...The river is expected to rise to a crest of 27.3 feet early tomorrow afternoon. It will then fall below flood stage late Saturday morning. - Flood stage is 26.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Fri Sat Sun Mon Tue Mississippi River Herculaneum 26.0 26.5 27.2 26.4 24.1 21.7 18.7 &&
Local Radar