Weather Warnings for Wisconsin

Issued by the National Weather Service

Current watches, warnings, and advisories for Wisconsin
Alerts Updated: April 22, 2026, 2:50 am  UTC


Flood Warning issued April 21 at 9:49PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Fox River Lower At Rochester affecting Racine County. * WHAT...Minor flooding is occurring. * WHERE...Fox River Lower at Rochester. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 6.3 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 6.3 feet. - Forecast...No forecast is available for this location. - Flood stage is 6.0 feet. - Flood History...This crest compares to a previous crest of 5.8 feet on 04/18/2013. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:49 pm      Expires:  April 22, 2026, 10:00 am
Area:  Racine, WI


Flood Warning issued April 21 at 9:48PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Rock River At Newville affecting Rock County. * WHAT...Minor flooding is occurring. * WHERE...Rock River at Newville. * WHEN...Until further notice. * IMPACTS...At 7.5 feet, Floodwaters surround some homes near East Mallwood Drive and are into yards and roads across eastern Newville. Floodwaters affect a riverside restaurant and its parking lot on the south side of the river. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 7.3 feet. - Bankfull stage is 5.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 7.3 feet. - Forecast...No forecast is available for this location. - Flood stage is 6.5 feet. - Flood History...This crest compares to a previous crest of 7.3 feet on 10/15/2018. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:48 pm      Expires:  April 22, 2026, 10:00 am
Area:  Rock, WI


Flood Warning issued April 21 at 9:48PM CDT until April 24 at 7:00PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Fox River At Princeton affecting Green Lake County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River at Princeton. * WHEN...Until Friday evening. * IMPACTS...At 9.5 feet, Floodwaters are in the back yards of some homes along South Farmer, Jefferson, North Mechanic and West Water Streets in Princeton. There is general minor flooding in the Princeton area. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 9.6 feet. - Bankfull stage is 7.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 9.6 feet. - Forecast...The river is expected to rise to a crest of 9.6 feet just after midnight tonight. It will then fall below flood stage early Friday afternoon. - Flood stage is 9.5 feet. - Flood History...This crest compares to a previous crest of 9.4 feet on 05/11/2012. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:48 pm      Expires:  April 22, 2026, 10:00 am
Area:  Green Lake, WI


Flood Warning issued April 21 at 9:48PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River near Lake Koshkonong. * WHEN...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 9:00 PM CDT Tuesday the stage was 11.2 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 11.2 feet. - Forecast...The river is expected to rise to a crest of 11.3 feet tomorrow morning. - 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
Severity:  Severe    Effective:  April 21, 2026, 9:48 pm      Expires:  April 22, 2026, 10:00 am
Area:  Jefferson, WI; Rock, WI


Flood Warning issued April 21 at 9:47PM CDT until April 28 at 1:00PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Crawfish River At Milford affecting Jefferson County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Crawfish River at Milford. * WHEN...Until Tuesday, April 28. * IMPACTS...At 8.0 feet, There is widespread flooding of agricultural land and lowland. There is widespread flooding in Riverbend Campground, about 5 miles upstream of Milford. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 8.1 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 8.2 feet. - Forecast...The river is expected to fall below flood stage Tuesday, April 28 and continue falling to 6.7 feet Tuesday, April 28. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 8.1 feet on 03/04/1985. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:47 pm      Expires:  April 22, 2026, 10:00 am
Area:  Jefferson, WI


Flood Warning issued April 21 at 9:47PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Rock River At Fort Atkinson affecting Jefferson County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River at Fort Atkinson. * WHEN...Until further notice. * IMPACTS...At 17.5 feet, Floodwaters partially cover low spots on Highway 106 near Rock River Park. A riverside walkway near South Water Street in downtown Fort Atkinson is closed. A few homes and businesses are surrounded by water at the end of Vets lane near the intersection of Highway 106 and Blackhawk Island Road about 1 mile southwest of Fort Atkinson. North Shore Road about 1 mile southwest of Fort Atkinson is closed. Ralph Rd impacted. Floodwaters cover fields on the east side of Fort Atkinson. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 17.4 feet. - Bankfull stage is 14.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 17.4 feet. - Forecast...The river is expected to rise to a crest of 17.4 feet just after midnight tonight. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 17.4 feet on 09/11/2018. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:47 pm      Expires:  April 22, 2026, 10:00 am
Area:  Jefferson, WI


Flood Warning issued April 21 at 9:46PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Rock River At Afton affecting Winnebago and Rock Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until further notice. * IMPACTS...At 11.1 feet, Floodwaters affect Riverside Park and a road in Riverside park on the north side of Janesville and South River Road on the south side of Janesville. Floodwaters affect low spots on South River Rd on the south side of Janesville. Floodwaters affect a home on South Christian Rd on the east side of the river in the Afton area. There is extensive lowland and agricultural land flooding in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 10.6 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 10.6 feet. - Forecast...The river is expected to remain steady above flood stage at 10.6 feet. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 11.0 feet on 06/01/2004. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:46 pm      Expires:  April 22, 2026, 10:00 am
Area:  Winnebago, IL; Rock, WI


Flood Warning issued April 21 at 9:46PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Rock River At Jefferson affecting Jefferson County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River at Jefferson. * WHEN...Until further notice. * IMPACTS...At 11.5 feet, Floodwaters affect Highway K between Jefferson and Fort Atkinson. Floodwaters affect some low lying residences and businesses in Jefferson. Water on road at Hwy 26 (Main St) and Hwy N (E Dane St) and S Center Ave. Riverview Drive near the wastewater plant is flooded and closed. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 11.6 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 11.6 feet. - Forecast...The river is expected to remain steady above flood stage at 11.5 feet. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 11.5 feet on 06/02/2004. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:46 pm      Expires:  April 22, 2026, 10:00 am
Area:  Jefferson, WI


Flood Warning issued April 21 at 9:46PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Fox River Near Berlin affecting Green Lake County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River near Berlin. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Floodwaters are over the banks in parts of downtown Berlin including Riverside and Webster Street Parks. There is minor flooding in the Berlin area. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 13.3 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 13.4 feet. - Forecast...The river is expected to rise to a crest of 13.4 feet just after midnight tonight. - Flood stage is 13.0 feet. - Flood History...This crest compares to a previous crest of 13.4 feet on 03/20/1953. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:46 pm      Expires:  April 22, 2026, 10:00 am
Area:  Green Lake, WI


Flood Warning issued April 21 at 9:45PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Rock River At Watertown affecting Jefferson County. * WHAT...Minor flooding is occurring. * WHERE...Rock River at Watertown. * WHEN...Until further notice. * IMPACTS...At 5.5 feet, there is widespread lowland flooding in rural areas around Watertown. About 6 miles upstream near Ixonia, Wayside Park on Highway 16 and Kanow Park are flooded and Rock River Road is impacted. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 5.6 feet. - Bankfull stage is 4.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 5.7 feet. - Forecast...The river is expected to remain steady above flood stage at 5.7 feet. - Flood stage is 5.5 feet. - Flood History...This crest compares to a previous crest of 6.0 feet on 04/20/1993. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:45 pm      Expires:  April 22, 2026, 9:45 am
Area:  Jefferson, WI


Flood Warning issued April 21 at 9:43PM CDT by NWS Green Bay WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin...Michigan... Menominee River near Menominee River at White Rapids Dam affecting Marinette and Menominee Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Menominee River near Menominee River at White Rapids Dam. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, Flooding is confined to wooded lowland areas. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 14.0 feet. - Bankfull stage is 11.0 feet. - Forecast...No forecast is available for this location. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:43 pm      Expires:  April 22, 2026, 12:45 pm
Area:  Menominee, MI; Marinette, WI


Flood Warning issued April 21 at 9:42PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Moderate flooding is occurring. * WHERE...ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 11.8 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 12.0 feet. - Forecast...No forecast is available for this location. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 11.6 feet on 04/17/2014. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:42 pm      Expires:  April 22, 2026, 9:45 am
Area:  Dodge, WI


Flood Warning issued April 21 at 9:42PM CDT until April 28 at 7:00PM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Fox River Lower Near New Munster affecting Kenosha and Lake Counties. * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...Fox River Lower near New Munster. * WHEN...Until Tuesday, April 28. * IMPACTS...At 14.0 feet, There is flooding of the lower levels of homes in the Town of Wheatland and Village of Salem Lakes areas long Riverside Drive, Shorewood Drive, 101st Street and Shorewood Terrace. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 14.4 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 14.7 feet. - Forecast...The river is expected to fall below flood stage Tuesday, April 28 and continue falling to 10.9 feet Tuesday, April 28. - Flood stage is 11.0 feet. - Flood History...This crest compares to a previous crest of 14.5 feet on 04/20/2013. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:42 pm      Expires:  April 22, 2026, 9:45 am
Area:  Lake, IL; Kenosha, WI


Flood Warning issued April 21 at 9:41PM CDT until April 22 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Wisconsin River At Portage affecting Columbia County. * WHAT...Minor flooding is occurring. * WHERE...Wisconsin River at Portage. * WHEN...Until tomorrow morning. * IMPACTS...At 17.0 feet, Water is near homes in the Blackhawk Park area of Portage on the south side of the river along Old River Road. Floodwaters are over West Lake Road, West Lane Rd, and Blackhawk Road in the Blackhawk Park area. * ADDITIONAL DETAILS... - At 5:50 PM CDT Tuesday the stage was 17.2 feet. - Bankfull stage is 12.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:50 PM CDT Tuesday was 17.8 feet. - Forecast...The river is expected to rise below flood stage late this evening and then rise to a crest of 16.9 feet early tomorrow afternoon. - Flood stage is 17.0 feet. - Flood History...This crest compares to a previous crest of 17.4 feet on 04/28/2018. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:41 pm      Expires:  April 22, 2026, 7:00 am
Area:  Columbia, WI


Flood Warning issued April 21 at 9:29PM CDT by NWS Green Bay WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin...Michigan... Menominee River near Koss affecting Marinette and Menominee Counties. For the Menominee River...including Koss...Minor flooding is forecast. * WHAT...Minor flooding is occurring. * WHERE...Menominee River near Koss. * WHEN...Until further notice. * IMPACTS...At 17.0 feet, Water floods a boat landing near the gauge. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 17.0 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Tuesday was 17.1 feet. - Forecast...No forecast is available for this location. - Flood stage is 17.0 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:29 pm      Expires:  April 22, 2026, 12:30 pm
Area:  Menominee, MI; Marinette, WI


Flood Warning issued April 21 at 9:13PM CDT until April 25 at 7:00AM CDT by NWS Green Bay WI

Summary: ...The Flood Warning continues for the following rivers in Michigan...Wisconsin... Menominee River near Niagara affecting Marinette, Dickinson, Menominee and Florence Counties. Menominee River near Vulcan affecting Marinette, Dickinson and Menominee Counties. Menominee River near Florence affecting Iron, Dickinson and Florence Counties. Menominee River near McAllister affecting Marinette and Menominee Counties. For the Menominee River...including Florence, Vulcan, Niagara, McAllister...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Menominee River near Niagara. * WHEN...Until Saturday morning. * IMPACTS...At 14.5 feet, In the city of Niagara, water begins to cover the Niagara boat landing on Tyler Road, and water approaches homes along Sherman Street. * ADDITIONAL DETAILS... - At 8:05 PM CDT Tuesday the stage was 14.3 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:05 PM CDT Tuesday was 14.7 feet. - Forecast...The river is expected to fall below flood stage early Friday afternoon and continue falling to 12.5 feet Tuesday, April 28. - Flood stage is 13.0 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:13 pm      Expires:  April 22, 2026, 12:15 pm
Area:  Dickinson, MI; Menominee, MI; Florence, WI; Marinette, WI


Flood Warning issued April 21 at 9:13PM CDT until April 23 at 1:00PM CDT by NWS Green Bay WI

Summary: ...The Flood Warning continues for the following rivers in Michigan...Wisconsin... Menominee River near Niagara affecting Marinette, Dickinson, Menominee and Florence Counties. Menominee River near Vulcan affecting Marinette, Dickinson and Menominee Counties. Menominee River near Florence affecting Iron, Dickinson and Florence Counties. Menominee River near McAllister affecting Marinette and Menominee Counties. For the Menominee River...including Florence, Vulcan, Niagara, McAllister...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Menominee River near Vulcan. * WHEN...Until Thursday afternoon. * IMPACTS...At 17.0 feet, Structures along the river along Homestead Road and Sturgeon Way Road may start to be impacted by flood waters. * ADDITIONAL DETAILS... - At 8:00 PM CDT Tuesday the stage was 16.2 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Tuesday was 16.5 feet. - Forecast...The river is expected to fall below flood stage Thursday morning and continue falling to 13.6 feet Tuesday, April 28. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:13 pm      Expires:  April 22, 2026, 12:15 pm
Area:  Dickinson, MI; Menominee, MI; Marinette, WI


Flood Warning issued April 21 at 9:13PM CDT by NWS Green Bay WI

Summary: ...The Flood Warning continues for the following rivers in Michigan...Wisconsin... Menominee River near Niagara affecting Marinette, Dickinson, Menominee and Florence Counties. Menominee River near Vulcan affecting Marinette, Dickinson and Menominee Counties. Menominee River near Florence affecting Iron, Dickinson and Florence Counties. Menominee River near McAllister affecting Marinette and Menominee Counties. For the Menominee River...including Florence, Vulcan, Niagara, McAllister...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Menominee River near McAllister. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, Flood waters are covering River Drive and Shore Drive west of Wallace in Menominee County, Michigan and South Park Road east of Porterfield in Marinette County. This stage compares to a flow of 24240 cubic feet per second at White Rapids Dam. * ADDITIONAL DETAILS... - At 8:00 PM CDT Tuesday the stage was 17.8 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Tuesday was 17.9 feet. - Forecast...The river is expected to fall to 15.6 feet Tuesday, April 28. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:13 pm      Expires:  April 22, 2026, 12:15 pm
Area:  Menominee, MI; Marinette, WI


Flood Warning issued April 21 at 9:13PM CDT by NWS Green Bay WI

Summary: ...The Flood Warning continues for the following rivers in Michigan...Wisconsin... Menominee River near Niagara affecting Marinette, Dickinson, Menominee and Florence Counties. Menominee River near Vulcan affecting Marinette, Dickinson and Menominee Counties. Menominee River near Florence affecting Iron, Dickinson and Florence Counties. Menominee River near McAllister affecting Marinette and Menominee Counties. For the Menominee River...including Florence, Vulcan, Niagara, McAllister...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Menominee River near Florence. * WHEN...Until further notice. * IMPACTS...At 10.0 feet, Flood waters reach a few homes and cottages along Runbers Road. * ADDITIONAL DETAILS... - At 8:00 PM CDT Tuesday the stage was 9.8 feet. - Bankfull stage is 8.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Tuesday was 11.1 feet. - Forecast...The river will rise to 9.9 feet early tomorrow afternoon. It will then fall early Sunday afternoon. It will rise to 9.5 feet Monday evening. It will then fall again but remain above flood stage. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:13 pm      Expires:  April 22, 2026, 12:15 pm
Area:  Dickinson, MI; Iron, MI; Florence, WI


Flood Warning issued April 21 at 9:04PM CDT by NWS Green Bay WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Wolf River at Lake Poygan affecting Winnebago and Waushara Counties. Wolf River at New London affecting Winnebago, Outagamie and Waupaca Counties. Wolf River near Shiocton affecting Waupaca, Outagamie and Shawano Counties. For the Lower Wolf River...including Shiocton, New London, Lake Poygan...Minor to Major flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Wolf River near Shiocton. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, Water is about a foot below the bottom of the Highway 54 bridge. Flood waters begin spreading over parts of Shiocton adjacent to the river including River and Mills Streets. * ADDITIONAL DETAILS... - At 5:50 PM CDT Tuesday the stage was 14.0 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:50 PM CDT Tuesday was 14.1 feet. - Forecast...The river is expected to fall to 11.4 feet Tuesday, April 28. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:04 pm      Expires:  April 22, 2026, 12:15 pm
Area:  Outagamie, WI; Shawano, WI; Waupaca, WI


Flood Warning issued April 21 at 9:04PM CDT by NWS Green Bay WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Wolf River at Lake Poygan affecting Winnebago and Waushara Counties. Wolf River at New London affecting Winnebago, Outagamie and Waupaca Counties. Wolf River near Shiocton affecting Waupaca, Outagamie and Shawano Counties. For the Lower Wolf River...including Shiocton, New London, Lake Poygan...Minor to Major flooding is forecast. * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...Wolf River at New London. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Widespread flooding of shoreline property is occurring from the New London area to Lake Poygan. Water reaches the top of the retaining wall in New London. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 11.3 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Tuesday was 11.5 feet. - Forecast...The river is expected to fall to 9.2 feet Tuesday, April 28. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:04 pm      Expires:  April 22, 2026, 12:15 pm
Area:  Outagamie, WI; Waupaca, WI; Winnebago, WI


Flood Warning issued April 21 at 9:04PM CDT by NWS Green Bay WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Wolf River at Lake Poygan affecting Winnebago and Waushara Counties. Wolf River at New London affecting Winnebago, Outagamie and Waupaca Counties. Wolf River near Shiocton affecting Waupaca, Outagamie and Shawano Counties. For the Lower Wolf River...including Shiocton, New London, Lake Poygan...Minor to Major flooding is forecast. * WHAT...Minor flooding is occurring. * WHERE...Wolf River at Lake Poygan. * WHEN...Until further notice. * IMPACTS...At 5.0 feet, Several inches of water may be surrounding low-lying structures along Lake Poygan and upstream along the Wolf River to Fremont. Local communities from Lake Poygan upstream along the Wolf River to Fremont may consider or already have in effect no wake advisories to protect the shoreline. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 5.2 feet. - Bankfull stage is 4.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Tuesday was 5.2 feet. - Forecast...No forecast is available for this location. - Flood stage is 5.0 feet. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 9:04 pm      Expires:  April 22, 2026, 12:15 pm
Area:  Waushara, WI; Winnebago, WI


Flood Warning issued April 21 at 8:44PM CDT until April 23 at 3:00AM CDT by NWS La Crosse WI

Summary: ...The Flood Warning continues for the following rivers in Wisconsin... Yellow River at Necedah affecting Juneau County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Yellow River at Necedah. * WHEN...Until early Thursday morning. * ADDITIONAL DETAILS... - At 8:00 PM CDT Tuesday the stage was 15.4 feet. - Bankfull stage is 13.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Tuesday was 16.6 feet. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 11.6 feet Tuesday, April 28. - Flood stage is 15.0 feet. - Flood History...This crest compares to a previous crest of 15.7 feet on 05/10/2012. - http://www.weather.gov/safety/flood
Severity:  Severe    Effective:  April 21, 2026, 8:44 pm      Expires:  April 22, 2026, 1:00 pm
Area:  Juneau, WI