Active Weather Alerts
River Flood Warning
Issued: 10:08 AM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL SATURDAY MORNING... * WHAT...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 5:00 AM CDT Thursday the stage was 24.9 feet. - Forecast...The river will rise above flood stage to 25.1 feet this morning. It will then fall below flood stage to 24.5 feet this morning. It will rise above flood stage again late this morning to 25.3 feet this afternoon. It will then fall below flood stage again just after midnight tonight. - Flood stage is 25.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Fri Sat Sun Mon Tue Missouri River St. Charles 25.0 24.9 24.7 22.9 20.5 17.9 MSG &&
River Flood Warning
Issued: 2:38 AM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Grafton. * WHEN...Until Monday evening. * IMPACTS...At 22.5 feet, East end of Main Street in Portage des Sioux begins flooding near this height. * ADDITIONAL DETAILS... - At 9:00 PM CDT Wednesday the stage was 22.6 feet and nearing a crest. - Recent Activity...The river rose above flood stage on April 19. - Forecast...The river is expected to rise to a crest of 22.7 feet just after midnight tonight. It will then fall below flood stage Sunday afternoon. - Flood stage is 20.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Fri Sat Sun Mon Tue Mississippi River Grafton 20.0 22.6 22.1 21.3 20.3 19.3 18.0 &&
River Flood Warning
Issued: 2:38 AM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM LATE TONIGHT TO SATURDAY EVENING... * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Alton. * WHEN...From late tonight to Saturday evening. * IMPACTS...At 21.7 feet, At this level, Highway 94 and the east end of Harbor Point Road off of Missouri Highway 94 north of West Alton begin flooding. Also, the access road the Lincoln Shields recreation area off of U.S. Highway 367 just west of the Clark bridge begins flooding. * ADDITIONAL DETAILS... - At 9:00 PM CDT Wednesday the stage was 20.8 feet and rising. - Forecast...The river is expected to rise above flood stage just after midnight tonight to a crest of 21.4 feet early tomorrow afternoon. It will then fall below flood stage Friday afternoon. - Flood stage is 21.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Fri Sat Sun Mon Tue Mississippi River Alton 21.0 20.8 21.3 20.2 18.6 17.0 15.8 &&
River Flood Warning
Issued: 2:38 AM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY AFTERNOON... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Mel Price LD. * WHEN...Until Monday afternoon. * IMPACTS...At 24.0 feet, Alta Villa Road off of Highway 94 north of West Alton is closed within a foot of this height. * ADDITIONAL DETAILS... - At 9:00 PM CDT Wednesday the stage was 23.4 feet and rising. - Recent Activity...The river rose above flood stage on April 28. - Forecast...The river is expected to rise to a crest of 24.0 feet early tomorrow afternoon. It will then fall below flood stage late Sunday morning. - Flood stage is 21.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Fri Sat Sun Mon Tue Mississippi River Mel Price LD 21.0 23.4 23.9 22.8 21.2 19.6 17.9 &&
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