Active Weather Alerts
River Flood Warning
Issued: 2:57 AM Apr. 17, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL EARLY SUNDAY AFTERNOON... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Baraboo River near Baraboo. * WHEN...Until early Sunday afternoon. * IMPACTS...At 17.0 feet, If Wisconsin River at Portage up to 17 feet also, water impacts parking lots near Hwy 33 and water over Tritz Rd near Hwy 33. There is widespread flooding of agricultural land. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 16.4 feet. - Bankfull stage is 14.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 16.7 feet. - Forecast...The river is expected to rise to a crest of 17.4 feet tomorrow evening. It will then fall below flood stage Sunday morning. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 17.3 feet on 04/15/2014. - 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 7 pm... Location stage stage stage/time Fri Sat Sun Mon Baraboo 16.0 14.0 16.44 9 pm 4/16 17.4 16.7 15.3 14.8 - 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 16.68 2 pm 4/16 1.83 17.40 1 am 4/18 &&
River Flood Warning
Issued: 2:57 AM Apr. 17, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE TOMORROW EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wisconsin River at Wisconsin Dells. * WHEN...Until late tomorrow evening. * IMPACTS...At 16.9 feet, Floodwaters affect cabins and trailers southeast of Wisconsin Dells along Levee Road, Van Hoosen Road, Indian Trail Parkway and boat launch, Ingebretson Road and Norway Drive. * ADDITIONAL DETAILS... - At 9:00 PM CDT Thursday the stage was 16.7 feet. - Bankfull stage is 13.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Thursday was 16.7 feet. - Forecast...The river is expected to rise to a crest of 16.9 feet tomorrow morning. It will then fall below flood stage tomorrow afternoon. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 16.9 feet on 04/21/2019. - 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 7 pm... Location stage stage stage/time Fri Sat Sun Mon Wisconsin Dells 16.0 13.0 16.66 9 pm 4/16 15.8 14.6 12.1 10.5 - 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 Wisconsin Dells 16.74 8 pm 4/16 1.28 16.90 7 am 4/17 &&
Flash Flood Watch
Issued: 2:41 AM Apr. 17, 2026 – National Weather Service
...FLASH FLOOD WATCH FOR THE POTENTIAL COMPROMISE OF THE CALEDONIA-LEWISTON LEVEE ON THE WISCONSIN RIVER REMAINS IN EFFECT THROUGH SUNDAY MORNING... * WHAT...Flash flooding due to the potential compromise of the Caledonia-Lewiston Levee. The Wisconsin Department of Natural Resources has indicated that the Calendonia-Lewiston Levee along the Wisconsin River may become compromised as the river levels rise. If this takes place, a rapid inundation of water is expected along the south and west side of the river. The City of Portage is not anticipated to be impacted by a potential compromise of the Caledonia-Lewiston Levee. * WHERE...A portion of south central Wisconsin, including the following counties, Columbia and Sauk along the south and west side of the Wisconsin River. Areas affected include, but are not limited to the Pine Island State Wildlife Area and portions of Highway 33. The City of Portage is not anticipated to be impacted by a potential compromise of the Caledonia-Lewiston Levee. * WHEN...Through Sunday morning. * IMPACTS...A compromised levee may result in flash flooding of low-lying areas along the Caledonia-Lewiston Levee. * ADDITIONAL DETAILS... - Excessive rainfall has resulted in very high water level on the Wisconsin River. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... PLAN NOW so you will know what to do in an emergency. Keep informed by listening to local radio and television for statements and possible warnings. Follow the advice of public safety officials. && ...FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Wisconsin, including the following counties, Columbia and Sauk. * WHEN...From Friday afternoon through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Flash flooding caused by excessive rainfall on a saturated is possible. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
Flood Watch
Issued: 2:41 AM Apr. 17, 2026 – National Weather Service
...FLASH FLOOD WATCH FOR THE POTENTIAL COMPROMISE OF THE CALEDONIA-LEWISTON LEVEE ON THE WISCONSIN RIVER REMAINS IN EFFECT THROUGH SUNDAY MORNING... * WHAT...Flash flooding due to the potential compromise of the Caledonia-Lewiston Levee. The Wisconsin Department of Natural Resources has indicated that the Calendonia-Lewiston Levee along the Wisconsin River may become compromised as the river levels rise. If this takes place, a rapid inundation of water is expected along the south and west side of the river. The City of Portage is not anticipated to be impacted by a potential compromise of the Caledonia-Lewiston Levee. * WHERE...A portion of south central Wisconsin, including the following counties, Columbia and Sauk along the south and west side of the Wisconsin River. Areas affected include, but are not limited to the Pine Island State Wildlife Area and portions of Highway 33. The City of Portage is not anticipated to be impacted by a potential compromise of the Caledonia-Lewiston Levee. * WHEN...Through Sunday morning. * IMPACTS...A compromised levee may result in flash flooding of low-lying areas along the Caledonia-Lewiston Levee. * ADDITIONAL DETAILS... - Excessive rainfall has resulted in very high water level on the Wisconsin River. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... PLAN NOW so you will know what to do in an emergency. Keep informed by listening to local radio and television for statements and possible warnings. Follow the advice of public safety officials. && ...FLOOD WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Wisconsin, including the following counties, Columbia and Sauk. * WHEN...From Friday afternoon through Saturday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Flash flooding caused by excessive rainfall on a saturated is possible. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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