Active Weather Alerts
River Flood Warning
Issued: 3:41 AM Apr. 28, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY, MAY 05... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Grafton. * WHEN...Until Tuesday, May 05. * IMPACTS...At 22.5 feet, East end of Main Street in Portage des Sioux begins flooding near this height. * ADDITIONAL DETAILS... - At 10:30 PM CDT Monday the stage was 21.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 PM CDT Monday was 21.0 feet. - Forecast...The river is expected to rise to a crest of 22.4 feet early Thursday morning. It will then fall below flood stage Monday, May 04. - Flood stage is 20.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Wed Thu Fri Sat Sun Mississippi River Grafton 20.0 21.0 21.9 22.4 22.1 21.4 20.7 &&
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