Active Weather Alerts
River Flood Warning
Issued: 8:54 PM Apr. 6, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FRIDAY AFTERNOON... * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Wisconsin River at Portage. * WHEN...Until Friday afternoon. * IMPACTS...At 18.0 feet, Water surrounds seasonal homes along Old River Rd in the Blackhawk Park area including water at the base of Caledonia/Lewiston Levee on Old River Rd. Old River Rd, W Lake Rd, Sec K Rd, Blackhawk Rd covered with water. West Lane Rd in Long Lake area has 4 feet of water over it in places. In the Town of Dekorra, about 12 homes are flooded on Hwy V. Water over River Oaks Rd and Oak Knoll Dr near Hwy V. * ADDITIONAL DETAILS... - At 3:25 PM CDT Monday the stage was 17.1 feet. - Bankfull stage is 12.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:25 PM CDT Monday was 17.1 feet. - Forecast...The river is expected to rise to a crest of 18.1 feet tomorrow evening. It will then fall below flood stage late Friday morning. - Flood stage is 17.0 feet. - http://www.weather.gov/safety/flood && River forecasts are available for some but not all river gaging locations. The 7 day river forecast takes into account past precipitation, soil moisture conditions, and predicted precipitation for the basin. Precipitation is for the next 24 hours in the future from April through September and for 48 hours in the future from October through March. (Stages in ft.) Bank- Latest Forecast stages - Flood full observed ...for 1 pm... Location stage stage stage/time Tue Wed Thu Fri Portage 17.0 12.7 17.10 3 pm 4/06 18.0 18.1 17.8 16.9 - Highest 24 hour change - observed in river stage - stage in (ft.) up to Highest stage - the last latest observed forecast in - 7 days stage next 7 days Portage 17.1 3 pm 4/06 0.45 18.10 1 pm 4/08 &&
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