Wisconsin - United States   2026-04-16   Thursday   42.84N, -89.07W

Edgerton

Wisconsin - United States
2026-04-16

Flood Warning issued April 16 at 7:58PM CDT by NWS Milwaukee/Sullivan WI

Issue date: 2026-04-17T00:58+00:00

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Winnebago and Rock Counties. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until further notice. * IMPACTS...At 11.5 feet, Water surrounds at least 2 homes near the river in the Afton area. Numerous secondary roads in the Afton area are closed to traffic. Floodwaters affect South River Road on the south side of Janesville. Traxler Park off of Memorial Drive in Janesville is flooded. * ADDITIONAL DETAILS... - At 7:00 PM CDT Thursday the stage was 9.1 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 PM CDT Thursday was 9.1 feet. - Forecast...The river is expected to rise to 11.7 feet Thursday, April 23. Additional rises are possible thereafter. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 11.8 feet on 04/10/1959. - http://www.weather.gov/safety/flood

Flood Warning issued April 16 at 7:40PM CDT until April 18 at 4:00AM CDT by NWS Milwaukee/Sullivan WI

Issue date: 2026-04-17T00:40+00:00

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Turtle Creek Near Clinton affecting Winnebago and Rock Counties. Wisconsin River At Wisconsin Dells affecting Columbia and Sauk Counties. Wisconsin River At Portage affecting Columbia County. Root River At Franklin affecting Milwaukee County. Root River Canal At Raymond affecting Racine County. Sugar River At Brodhead affecting Green, Winnebago and Rock Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Sugar River at Brodhead. * WHEN...Until early Saturday morning. * IMPACTS...At 6.0 feet, Some roads are flooded about 6 miles downstream in Avon Township of Rock County, including Beloit Newark Rd. In the Avon Bottoms area of Rock County, flooding is occurring in Sugar River Park. In Illinois, Winslow Rd is threatened near the river between Durand and Shirland. Low lying areas of Sugar Shores Camping Resort may be inundated. * ADDITIONAL DETAILS... - At 7:00 PM CDT Thursday the stage was 6.0 feet. - Bankfull stage is 4.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 PM CDT Thursday was 6.2 feet. - Forecast...The river is expected to fall below flood stage late tomorrow evening and continue falling to 2.0 feet Thursday, April 23. - Flood stage is 5.0 feet. - Flood History...This crest compares to a previous crest of 5.9 feet on 07/26/2010. - http://www.weather.gov/safety/flood

Flood Watch issued April 16 at 7:38PM CDT by NWS Milwaukee/Sullivan WI

Issue date: 2026-04-17T00:38+00:00

...The Flood Watch continues for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. * WHAT...Flooding is possible. * WHERE...Rock River near Lake Koshkonong. * WHEN...From Friday afternoon until further notice. * 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 7:00 PM CDT Thursday the stage was 9.1 feet. - Forecast...Flood stage may be reached tomorrow afternoon. - Flood stage is 10.0 feet. - http://www.weather.gov/safety/flood

Flood Watch issued April 16 at 3:11PM CDT until April 18 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Issue date: 2026-04-16T20:11+00:00

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Dane, Green, Green Lake, Iowa, Lafayette, Marquette and Rock. In southeast Wisconsin, Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha. * 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... - Excessive rain on saturated ground may result in flooding. - http://www.weather.gov/safety/flood