Active Weather Alerts
River Flood Warning
Issued: 2:41 AM May. 2, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Grafton. * WHEN...Until Tuesday 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 Friday the stage was 22.6 feet and falling. - Recent Activity...The river rose above flood stage on April 19. It crested near 22.9 feet on May 1. - Forecast...The river is expected to fall below flood stage Monday afternoon and continue falling over the following days. - Flood stage is 20.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Sun Mon Tue Wed Thu Mississippi River Grafton 20.0 22.6 21.4 20.5 19.3 18.2 17.6 &&
River Flood Warning
Issued: 2:41 AM May. 2, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE SATURDAY NIGHT... * WHAT...Minor flooding is occurring. * WHERE...Mississippi River at Alton. * WHEN...Until late Saturday night. * IMPACTS...At 20.7 feet, During open river conditions (Mel Price gates all open), Alta Villa Road off of Highway 94 begins flooding and is closed. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 21.0 feet and falling. - Recent Activity...The river first rose above flood stage on April 29. It crested near 21.5 feet on May 1. - Forecast...The river is expected to fall below flood stage late this evening and continue falling over the coming days. - Flood stage is 21.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Sun Mon Tue Wed Thu Mississippi River Alton 21.0 21.0 19.1 17.5 15.8 15.0 14.8 &&
River Flood Warning
Issued: 2:41 AM May. 2, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE MONDAY NIGHT... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Mel Price LD. * WHEN...Until late Monday night. * 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 Friday the stage was 23.9 feet and falling. - Recent Activity...The river rose above flood stage on April 28. It crested near 24.3 feet on May 1. - Forecast...The river is expected to fall below flood stage late Sunday evening and continue falling over the following days. - Flood stage is 21.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Sun Mon Tue Wed Thu Mississippi River Mel Price LD 21.0 23.9 22.0 20.6 18.9 17.5 16.7 &&
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