< Wisconsin Flood Warning | Effective 04/17/2026 03:49

Wisconsin Flood Warning | Effective 04/17/2026 03:49

Headline: 
Flood Warning issued April 17 at 5:49AM CDT until April 21 at 1:00AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 3:49am
Expires: 
April 17, 2026 - 4:00pm
Description: 
...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Root River At Franklin affecting Milwaukee County. Wisconsin River At Wisconsin Dells affecting Columbia and Sauk Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock Counties. Baraboo River Near Baraboo affecting Columbia and Sauk Counties. Rock River At Jefferson affecting Jefferson County. Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River Near Berlin affecting Green Lake County. Crawfish River At Milford affecting Jefferson County. Fox River Lower At Waukesha affecting Waukesha County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. Milwaukee River Near Cedarburg affecting Ozaukee County. Root River Canal At Raymond affecting Racine County. Sugar River At Brodhead affecting Winnebago, Rock and Green Counties. Wisconsin River At Portage affecting Columbia County. ...The Flood Warning is cancelled for the following rivers in Illinois...Wisconsin... Turtle Creek Near Clinton affecting Winnebago and Rock Counties. * WHAT...Major flooding is occurring and major flooding is forecast. This approaches the flood of record. * WHERE...Wisconsin River at Portage. * WHEN...Until early Tuesday morning. * IMPACTS...At 20.5 feet, Indian trail in Lake Delton area is flooded. Other roads that are flooded are River Oaks Road in the Town of Dekorra, River Shores Road in the Town of Lewiston, Levee Road, Wood Street, Summit St, Conant St and parts of Thunderbird Road in the Portage area. * ADDITIONAL DETAILS... - At 4:30 AM CDT Friday the stage was 20.2 feet. - Bankfull stage is 12.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:30 AM CDT Friday was 20.2 feet. - Forecast...The river is expected to rise to a crest of 20.7 feet this afternoon. It will then fall below flood stage Monday evening. - Flood stage is 17.0 feet. - Flood History...This crest compares to a previous crest of 20.7 feet on 09/28/2010. - http://www.weather.gov/safety/flood
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued this morning at 700 AM CDT.
Area Description: 
Columbia, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI