Flood Warning issued April 26 at 10:00AM CDT until May 2 at 7:00PM CDT by NWS Milwaukee/Sullivan WI
Issue date: 2026-04-26T15:00+00:00
...The Flood Warning is extended for the following rivers in Wisconsin... Rock River At Fort Atkinson affecting Jefferson County. Rock River At Jefferson affecting Jefferson County. ...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Fox River Lower Near New Munster affecting Kenosha and Lake Counties. Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Afton affecting Rock and Winnebago Counties. 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. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River near Lake Koshkonong. * WHEN...Until Saturday evening. * IMPACTS...At 11.3 feet, There is knee-deep water over Blackhawk Island Road. Lamp Road on west side of river also becomes flooded. Lake Koshkonong merges with Mud Lake to the east of Lake Koshkonong. * ADDITIONAL DETAILS... - At 8:00 AM CDT Sunday the stage was 11.3 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 AM CDT Sunday was 11.4 feet. - Forecast...The river is expected to rise to a crest of 11.3 feet this afternoon. It will then fall below flood stage early Saturday afternoon. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 11.4 feet on 03/29/2009. - http://www.weather.gov/safety/flood
Flood Warning issued April 26 at 10:00AM CDT until April 27 at 7:00PM CDT by NWS Milwaukee/Sullivan WI
Issue date: 2026-04-26T15:00+00:00
...The Flood Warning is extended for the following rivers in Wisconsin... Rock River At Fort Atkinson affecting Jefferson County. Rock River At Jefferson affecting Jefferson County. ...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Fox River Lower Near New Munster affecting Kenosha and Lake Counties. Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Afton affecting Rock and Winnebago Counties. 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. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Crawfish River at Milford. * WHEN...Until tomorrow evening. * IMPACTS...At 7.0 feet, There is widespread flooding of lowland and agricultural land. There is widespread flooding of roads in Riverbend Campground about 5 miles upstream of Milford. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 7.3 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Sunday was 7.5 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 4.6 feet Sunday, May 03. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.3 feet on 09/27/1980. - http://www.weather.gov/safety/flood
