Active Weather Alerts
River Flood Warning
Issued: 6:22 PM Apr. 5, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM MONDAY AFTERNOON TO EARLY THURSDAY MORNING... * WHAT...Minor flooding is forecast. * WHERE...Baraboo River near Baraboo. * WHEN...From Monday afternoon to early Thursday morning. * IMPACTS...At 18.0 feet, If Wisconsin River at Portage up to 17 feet also, water approaches gravel of I-39 off ramp to Cascade Mt Rd. There is widespread flooding of agricultural land. * ADDITIONAL DETAILS... - At 1:00 PM CDT Sunday the stage was 14.7 feet. - Bankfull stage is 14.0 feet. - Forecast...The river is expected to rise above flood stage tomorrow afternoon to a crest of 17.6 feet Tuesday evening. It will then fall below flood stage late Wednesday evening. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 17.6 feet on 02/27/1985. - 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 Mon Tue Wed Thu Baraboo 16.0 14.0 14.69 1 pm 4/05 15.9 17.4 17.3 13.1 - 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 Baraboo 14.69 1 pm 4/05 0.76 17.60 7 am 4/08 &&
River Flood Watch
Issued: 6:22 PM Apr. 5, 2026 – National Weather Service
...FLOOD WATCH NOW IN EFFECT FROM MONDAY MORNING TO LATE FRIDAY MORNING... * WHAT...Flooding is possible. * WHERE...Wisconsin River at Portage. * WHEN...From Monday morning to late Friday morning. * IMPACTS...At 18.5 feet, Floodwaters affect River Shores Road about 3 miles upstream of Portage in the Town of Lewiston and River Oaks Road about 7 miles downstream of Portage in the Town of Dekorra in Columbia County. Water over Levee Rd and Tritz Rd. There is widespread flooding of roads in the Blackhawk Park Area including West Lake Road...Blackhawk Road and Wood Street. The Blackhawk Park area is on the south side of the river about 3 miles south of Portage. * ADDITIONAL DETAILS... - At 11:00 AM CDT Sunday the stage was 15.3 feet. - Forecast...Flood stage may be reached late tomorrow 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 Mon Tue Wed Thu Portage 17.0 12.7 15.25 11 am 4/05 17.2 18.1 18.3 17.6 - 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 16.05 11 am 3/30 0.40 18.30 7 pm 4/08 &&
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