< Wisconsin Flood Warning | Effective 04/19/2026 20:08

Wisconsin Flood Warning | Effective 04/19/2026 20:08

Headline: 
Flood Warning issued April 19 at 10:08PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 19, 2026 - 8:08pm
Expires: 
April 20, 2026 - 8:15am
Description: 
...The Flood Warning is extended for the following rivers in Illinois...Wisconsin... Sugar River At Brodhead affecting Winnebago, Rock and Green Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock 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. Crawfish River At Milford affecting Jefferson County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River at Jefferson. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Riverview Drive is closed due to floodwaters on the road. The Tensfeldt Park boat launch is closed. Intersection of S Main St and E Dane St is closed, and S Center Ave. Floodwaters affect highway K between Jefferson and Fort Atkinson. River's Edge Park flooded. * ADDITIONAL DETAILS... - At 9:00 PM CDT Sunday the stage was 11.7 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Sunday was 11.7 feet. - Forecast...The river is expected to rise to 12.3 feet early Thursday morning. Additional rises are possible thereafter. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 12.3 feet on 04/20/2013. - http://www.weather.gov/safety/flood
Instruction: 
Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued Monday morning at 1015 AM CDT.
Area Description: 
Jefferson, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI