Active Weather Alerts
River Flood Warning
Issued: 6:03 PM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY AFTERNOON... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Grafton. * WHEN...Until Tuesday afternoon. * IMPACTS...At 22.5 feet, East end of Main Street in Portage des Sioux begins flooding near this height. * ADDITIONAL DETAILS... - At 12:30 PM CDT Thursday the stage was 22.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:30 PM CDT Thursday was 22.8 feet. - Forecast...The river is expected to rise to a crest of 22.9 feet this evening. It will then fall below flood stage late Monday morning. - 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 22.8 22.8 21.9 21.0 20.2 19.1 &&
River Flood Warning
Issued: 4:39 PM Apr. 30, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 11:00 AM CDT Thursday the stage was 28.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:00 AM CDT Thursday was 28.6 feet. - Forecast...The river is expected to rise to a crest of 29.1 feet tomorrow evening. - Flood stage is 25.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Fri Sat Sun Mon Tue Illinois River Hardin 25.0 28.6 29.0 29.1 29.0 28.8 28.4 &&
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