Weather Warnings for Wisconsin
| Alerts Updated: April 21, 2026, 2:18 am UTC |
Flood Warning issued April 20 at 9:18PM CDT until April 22 at 10:00PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin... Fox River At Princeton affecting Green Lake County. Fox River Near Berlin affecting Green Lake County. Wisconsin River At Portage affecting Columbia County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Wisconsin River at Portage. * WHEN...Until late Wednesday evening. * IMPACTS...At 18.5 feet, Floodwaters affect River Shores Road about 3 miles upstream of Portage in the Town of Lewiston and River Oaks Road about 7 miles downstream of Portage in the Town of Dekorra in Columbia County. Water over Levee Rd and Tritz Rd. There is widespread flooding of roads in the Blackhawk Park Area including West Lake Road...Blackhawk Road and Wood Street. The Blackhawk Park area is on the south side of the river about 3 miles south of Portage. * ADDITIONAL DETAILS... - At 7:00 AM CDT Monday the stage was 18.7 feet. - Bankfull stage is 12.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 AM CDT Monday was 18.7 feet. - Forecast...The river is expected to continue to fall to minor flood on Tuesday and below flood stage Wednesday afternoon. - Flood stage is 17.0 feet. - Flood History...This crest compares to a previous crest of 18.9 feet on 03/17/2019. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 9:18 pm Expires: April 21, 2026, 9:30 am Area: Columbia, WI |
Flood Warning issued April 20 at 9:18PM CDT until April 23 at 1:00AM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin... Fox River At Princeton affecting Green Lake County. Fox River Near Berlin affecting Green Lake County. Wisconsin River At Portage affecting Columbia County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River at Princeton. * WHEN...Until early Thursday morning. * 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 8:00 PM CDT Monday the stage was 9.6 feet. - Bankfull stage is 7.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 9.6 feet. - Forecast...The river is expected to remain around 9.6 feet tonight before then falling below flood stage Wednesday evening. - 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/floodSeverity: Severe Effective: April 20, 2026, 9:18 pm Expires: April 21, 2026, 9:30 am Area: Green Lake, WI |
Flood Warning issued April 20 at 9:18PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin... Fox River At Princeton affecting Green Lake County. Fox River Near Berlin affecting Green Lake County. Wisconsin River At Portage affecting Columbia 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 8:00 PM CDT Monday the stage was 13.4 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 13.4 feet. - Forecast...The river is expected to remain around 13.4 feet tonight through Wednesday. - 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/floodSeverity: Severe Effective: April 20, 2026, 9:18 pm Expires: April 21, 2026, 9:30 am Area: Green Lake, WI |
Flood Warning issued April 20 at 9:04PM CDT by NWS Green Bay WISummary: ...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. Menominee River near Koss affecting Marinette and Menominee Counties. Menominee River near McAllister affecting Marinette and Menominee Counties. For the Menominee River...including White Rapids Dam, Koss, McAllister...Minor to Moderate 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 8:00 PM CDT Monday the stage was 17.0 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 17.1 feet. - Forecast...No forecast is available for this location. - Flood stage is 17.0 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 9:04 pm Expires: April 21, 2026, 12:15 pm Area: Menominee, MI; Marinette, WI |
Flood Warning issued April 20 at 9:04PM CDT by NWS Green Bay WISummary: ...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. Menominee River near Koss affecting Marinette and Menominee Counties. Menominee River near McAllister affecting Marinette and Menominee Counties. For the Menominee River...including White Rapids Dam, Koss, McAllister...Minor to Moderate flooding is forecast. * WHAT...Minor flooding is occurring. * 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 8:00 PM CDT Monday the stage was 14.1 feet. - Bankfull stage is 11.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 14.2 feet. - Forecast...No forecast is available for this location. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 9:04 pm Expires: April 21, 2026, 12:15 pm Area: Menominee, MI; Marinette, WI |
Flood Warning issued April 20 at 9:04PM CDT by NWS Green Bay WISummary: ...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. Menominee River near Koss affecting Marinette and Menominee Counties. Menominee River near McAllister affecting Marinette and Menominee Counties. For the Menominee River...including White Rapids Dam, Koss, McAllister...Minor to Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. This approaches the flood of record. * 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 Monday the stage was 18.0 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 18.1 feet. - Forecast...The river is expected to rise to a crest of 18.0 feet just after midnight tonight. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 9:04 pm Expires: April 21, 2026, 12:15 pm Area: Menominee, MI; Marinette, WI |
Flood Warning issued April 20 at 9:01PM CDT until April 23 at 1:00PM CDT by NWS Green Bay WISummary: ...The Flood Warning is extended for the following rivers in Wisconsin...Michigan... Menominee River near Niagara affecting Marinette, Menominee, Dickinson and Florence Counties. Menominee River near Vulcan affecting Marinette, Menominee and Dickinson Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Michigan... Menominee River below Twin Falls Dam-Iron Mountain affecting Marinette, Menominee, Dickinson and Florence Counties. For the Menominee River...including Florence, Twin Falls Dam-Iron Mountain, Vulcan, Niagara, Pembine, Menominee River at White Rapids Dam, Koss, McAllister...Moderate 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 Monday the stage was 16.5 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 16.6 feet. - Forecast...The river is expected to rise to a crest of 16.5 feet just after midnight tonight. It will then fall below flood stage Thursday morning. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 9:01 pm Expires: April 21, 2026, 12:15 pm Area: Dickinson, MI; Menominee, MI; Marinette, WI |
Flood Warning issued April 20 at 9:01PM CDT until April 26 at 7:00AM CDT by NWS Green Bay WISummary: ...The Flood Warning is extended for the following rivers in Wisconsin...Michigan... Menominee River near Niagara affecting Marinette, Menominee, Dickinson and Florence Counties. Menominee River near Vulcan affecting Marinette, Menominee and Dickinson Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Michigan... Menominee River below Twin Falls Dam-Iron Mountain affecting Marinette, Menominee, Dickinson and Florence Counties. For the Menominee River...including Florence, Twin Falls Dam-Iron Mountain, Vulcan, Niagara, Pembine, Menominee River at White Rapids Dam, Koss, McAllister...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. This approaches the flood of record. * WHERE...Menominee River near Niagara. * WHEN...Until Sunday morning. * IMPACTS...At 15.0 feet, Flood waters reach the Aurora Fire Protection station. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 14.6 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 14.7 feet. - Forecast...The river is expected to rise to a crest of 14.9 feet tomorrow morning. It will then fall below flood stage early Saturday afternoon. - Flood stage is 13.0 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 9:01 pm Expires: April 21, 2026, 12:15 pm Area: Dickinson, MI; Menominee, MI; Florence, WI; Marinette, WI |
Flood Warning issued April 20 at 9:01PM CDT until April 28 at 1:00AM CDT by NWS Green Bay WISummary: ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Wisconsin... Michigan... Menominee River near Florence affecting Iron, Dickinson and Florence Counties. For the Menominee River...including Florence, Twin Falls Dam-Iron Mountain, Vulcan, Niagara. Minor to Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Menominee River near Florence. * WHEN...Until Tuesday, April 28. * IMPACTS...At 12.0 feet, Flood waters affect homes along Runbers road in Florence County. This stage compares to a flow rate of 10600 cubic feet per second at the Brule Dam. At 9100 cfs, floodwaters affect a seasonal home on a private drive off Runbers Road. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 11.2 feet. - Bankfull stage is 8.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 11.5 feet. - Forecast...The river is expected to fall below flood stage Monday, April 27 and continue falling to 8.9 feet Monday, April 27. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 9:01 pm Expires: April 21, 2026, 12:15 pm Area: Dickinson, MI; Iron, MI; Florence, WI |
Flood Warning issued April 20 at 9:01PM CDT by NWS Green Bay WISummary: ...The Flood Warning is extended for the following rivers in Wisconsin...Michigan... Menominee River near Niagara affecting Marinette, Menominee, Dickinson and Florence Counties. Menominee River near Vulcan affecting Marinette, Menominee and Dickinson Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Michigan... Menominee River below Twin Falls Dam-Iron Mountain affecting Marinette, Menominee, Dickinson and Florence Counties. For the Menominee River...including Florence, Twin Falls Dam-Iron Mountain, Vulcan, Niagara, Pembine, Menominee River at White Rapids Dam, Koss, McAllister...Moderate flooding is forecast. * WHAT...Minor flooding is occurring. This approaches the flood of record. * WHERE...Menominee River below Twin Falls Dam-Iron Mountain. * WHEN...Until further notice. * IMPACTS...At 20.5 feet, Water approaches a few homes or mobile homes near the River Bend campground. * ADDITIONAL DETAILS... - At 8:42 PM CDT Monday the stage was 20.9 feet. - Bankfull stage is 16.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:42 PM CDT Monday was 20.9 feet. - Forecast...No forecast is available for this location. - Flood stage is 20.5 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 9:01 pm Expires: April 21, 2026, 12:15 pm Area: Dickinson, MI; Menominee, MI; Florence, WI; Marinette, WI |
Flood Warning issued April 20 at 8:52PM CDT by NWS Green Bay WISummary: ...The Flood Warning continues for the following rivers in Wisconsin... Wolf River at Lake Poygan affecting Waushara and Winnebago Counties. Wolf River at New London affecting Waupaca, Winnebago and Outagamie Counties. Wolf River near Shiocton affecting Waupaca, Shawano and Outagamie 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 8:00 PM CDT Monday the stage was 11.6 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 11.7 feet. - Forecast...The river is expected to fall to 9.3 feet Monday, April 27. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 8:52 pm Expires: April 21, 2026, 12:00 pm Area: Outagamie, WI; Waupaca, WI; Winnebago, WI |
Flood Warning issued April 20 at 8:52PM CDT by NWS Green Bay WISummary: ...The Flood Warning continues for the following rivers in Wisconsin... Wolf River at Lake Poygan affecting Waushara and Winnebago Counties. Wolf River at New London affecting Waupaca, Winnebago and Outagamie Counties. Wolf River near Shiocton affecting Waupaca, Shawano and Outagamie 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. This approaches the flood of record. * 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 5:45 PM CDT Monday the stage was 14.3 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:45 PM CDT Monday was 14.5 feet. - Forecast...The river is expected to fall to 12.1 feet Monday, April 27. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 8:52 pm Expires: April 21, 2026, 12:00 pm Area: Outagamie, WI; Shawano, WI; Waupaca, WI |
Flood Warning issued April 20 at 8:52PM CDT by NWS Green Bay WISummary: ...The Flood Warning continues for the following rivers in Wisconsin... Wolf River at Lake Poygan affecting Waushara and Winnebago Counties. Wolf River at New London affecting Waupaca, Winnebago and Outagamie Counties. Wolf River near Shiocton affecting Waupaca, Shawano and Outagamie 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 Monday the stage was 5.1 feet. - Bankfull stage is 4.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Monday was 5.2 feet. - Forecast...No forecast is available for this location. - Flood stage is 5.0 feet. - Flood History...This crest compares to a previous crest of 4.9 feet on 06/17/2004. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 8:52 pm Expires: April 21, 2026, 12:00 pm Area: Waushara, WI; Winnebago, WI |
Flood Warning issued April 20 at 8:39PM CDT by NWS Green Bay WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Michigan... Brule River near Commonwealth affecting Forest, Iron, Dickinson and Florence Counties. ...The Flood Warning is cancelled for the following rivers in Wisconsin... Pine River near Florence affecting Florence County. * WHAT...Moderate flooding is occurring. * WHERE...Brule River near Commonwealth. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Flood waters approach seasonal homes northeast of Florence. * ADDITIONAL DETAILS... - At 7:30 PM CDT Monday the stage was 13.0 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM CDT Monday was 14.4 feet. - Forecast...No forecast is available for this location. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 8:39 pm Expires: April 21, 2026, 11:45 am Area: Dickinson, MI; Iron, MI; Florence, WI; Forest, WI |
Flood Warning issued April 20 at 4:38PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago 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. * WHAT...Minor flooding is occurring. * WHERE...Rock River at Newville. * WHEN...Until further notice. * IMPACTS...At 6.5 feet, Floodwaters are in the back yards of homes and businesses near east Mallwood Road Drive in Newville. * ADDITIONAL DETAILS... - At 4:00 PM CDT Monday the stage was 7.0 feet. - Bankfull stage is 5.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Monday was 7.0 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 7.1 feet on 10/12/2019. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 4:38 pm Expires: April 21, 2026, 4:45 am Area: Rock, WI |
Flood Warning issued April 20 at 4:38PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago 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. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Rock River at Watertown. * WHEN...Until further notice. * IMPACTS...At 6.0 feet, Water nears some streets in Watertown. Water is in Riverside Park in Watertown. About 6 miles upstream near Ixonia, Wayside park on Highway 16, and Kanow Park is flooded. Rock River Road near Highway 16 is flooded. * ADDITIONAL DETAILS... - At 4:00 PM CDT Monday the stage was 5.6 feet. - Bankfull stage is 4.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Monday was 5.6 feet. - Forecast...The river is expected to rise to 6.2 feet early Saturday morning. Additional rises are possible thereafter. - Flood stage is 5.5 feet. - Flood History...This crest compares to a previous crest of 6.2 feet on 03/31/1979. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 4:38 pm Expires: April 21, 2026, 4:45 am Area: Jefferson, WI |
Flood Warning issued April 20 at 4:38PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago 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. * WHAT...Minor 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 4:00 PM CDT Monday the stage was 10.9 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Monday was 10.9 feet. - Forecast...The river is expected to rise to a crest of 11.3 feet early Wednesday 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/floodSeverity: Severe Effective: April 20, 2026, 4:38 pm Expires: April 21, 2026, 4:45 am Area: Jefferson, WI; Rock, WI |
Flood Warning issued April 20 at 4:38PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago 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. * 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 1:00 PM CDT Monday the stage was 10.4 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1:00 PM CDT Monday was 10.4 feet. - Forecast...The river is expected to rise to a crest of 11.0 feet Friday morning. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 11.0 feet on 09/13/1915. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 4:38 pm Expires: April 21, 2026, 4:45 am Area: Winnebago, IL; Rock, WI |
Flood Warning issued April 20 at 4:38PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago 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. * WHAT...Moderate flooding is occurring. * WHERE...ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 4:00 PM CDT Monday the stage was 12.0 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Monday 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 12.1 feet on 07/04/2014. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 4:38 pm Expires: April 21, 2026, 4:45 am Area: Dodge, WI |
Flood Warning issued April 20 at 4:38PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago 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. * 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 4:00 PM CDT Monday the stage was 11.7 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Monday was 11.7 feet. - Forecast...The river is expected to rise to 12.2 feet early Thursday afternoon. 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 04/22/1993. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 4:38 pm Expires: April 21, 2026, 4:45 am Area: Jefferson, WI |
Flood Warning issued April 20 at 4:38PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago 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. * 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 4:00 PM CDT Monday the stage was 17.4 feet. - Bankfull stage is 14.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Monday was 17.4 feet. - Forecast...The river is expected to fall to 16.4 feet Monday, April 27. - 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/floodSeverity: Severe Effective: April 20, 2026, 4:38 pm Expires: April 21, 2026, 4:45 am Area: Jefferson, WI |
Flood Warning issued April 20 at 4:36PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Fox River At Princeton affecting Green Lake County. Fox River Near Berlin affecting Green Lake County. Fox River Lower At Waukesha affecting Waukesha County. Fox River Lower Near New Munster affecting Lake and Kenosha Counties. * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 15.0 feet, Highway 50 is closed due to floodwaters over the highway. There is widespread flooding in the Town of Wheatland and Village of Salem Lakes. Floodwaters are into the lower levels of some homes in those areas along Riverside Drive, Shorewood Drive, 101st Street and Shorewood Terrace. * ADDITIONAL DETAILS... - At 4:00 PM CDT Monday the stage was 14.7 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Monday was 15.0 feet. - Forecast...The river is expected to fall to 11.3 feet Monday, April 27. - 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/floodSeverity: Severe Effective: April 20, 2026, 4:36 pm Expires: April 21, 2026, 4:45 am Area: Lake, IL; Kenosha, WI |
Flood Warning issued April 20 at 4:36PM CDT until April 21 at 7:00PM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Fox River At Princeton affecting Green Lake County. Fox River Near Berlin affecting Green Lake County. Fox River Lower At Waukesha affecting Waukesha County. Fox River Lower Near New Munster affecting Lake and Kenosha Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. This approaches the flood of record. * WHERE...Fox River Lower at Waukesha. * WHEN...Until tomorrow evening. * IMPACTS...At 7.0 feet, Frame Park floods. Yards of homes near Bethesda Park flood. * ADDITIONAL DETAILS... - At 4:00 PM CDT Monday the stage was 6.5 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Monday was 7.3 feet. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling to 4.4 feet Monday, April 27. - Flood stage is 6.0 feet. - Flood History...This crest compares to a previous crest of 6.5 feet on 07/27/2006. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 4:36 pm Expires: April 21, 2026, 4:45 am Area: Waukesha, WI |
Flood Warning issued April 20 at 4:24PM CDT by NWS Milwaukee/Sullivan WISummary: ...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 further notice. * 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 4:00 PM CDT Monday the stage was 8.2 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Monday was 8.2 feet. - Forecast...The river is expected to rise to a crest of 8.5 feet early Wednesday morning. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 8.5 feet on 04/03/1960. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 4:24 pm Expires: April 21, 2026, 4:30 am Area: Jefferson, WI |
Flood Warning issued April 20 at 4:19PM CDT until April 21 at 3:00AM CDT by NWS Milwaukee/Sullivan WISummary: ...The Flood Warning continues for the following rivers in Illinois...Wisconsin... Sugar River At Brodhead affecting Rock, Green and Winnebago Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Sugar River at Brodhead. * WHEN...Until late tonight. * IMPACTS...At 5.5 feet, Some roads are flooded about 6 miles downstream in Avon Township in Rock County. In the Avon Bottoms area of Rock County, flooding is occurring in Sugar River Park. * ADDITIONAL DETAILS... - At 3:00 PM CDT Monday the stage was 5.5 feet. - Bankfull stage is 4.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:00 PM CDT Monday was 6.3 feet. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 1.9 feet Monday, April 27. - Flood stage is 5.0 feet. - Flood History...This crest compares to a previous crest of 5.5 feet on 03/16/2008. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 4:19 pm Expires: April 21, 2026, 3:00 am Area: Winnebago, IL; Green, WI; Rock, WI |
Flood Warning issued April 20 at 11:22AM CDT until April 23 at 3:00AM CDT by NWS La Crosse WISummary: ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Wisconsin... Yellow River at Necedah affecting Juneau County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Yellow River at Necedah. * WHEN...Until early Thursday morning. * ADDITIONAL DETAILS... - At 10:00 AM CDT Monday the stage was 16.8 feet. - Bankfull stage is 13.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Monday was 16.8 feet. - Forecast...The river is expected to rise to a crest of 16.9 feet this evening. It will then fall below flood stage late Wednesday morning. - Flood stage is 15.0 feet. - Flood History...This crest compares to a previous crest of 16.6 feet on 04/23/2017. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 11:22 am Expires: April 21, 2026, 3:00 am Area: Juneau, WI |
Flood Warning issued April 20 at 11:22AM CDT until April 22 at 7:00PM CDT by NWS La Crosse WISummary: ...The Flood Warning continues for the following rivers in Wisconsin... Wisconsin River at Muscoda affecting Grant, Richland and Iowa Counties. Additional river and weather information is available at www.weather.gov/lacrosse. The next statement will be issued late tonight by 300 AM CDT. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wisconsin River at Muscoda. * WHEN...Until Wednesday evening. * IMPACTS...At 9.5 feet, Flooding may impact some homes in Boscobel. * ADDITIONAL DETAILS... - At 10:45 AM CDT Monday the stage was 9.5 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM CDT Monday was 9.8 feet. - Forecast...The river is expected to rise to a crest of 9.5 feet this afternoon. It will then fall below flood stage early Wednesday morning. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.5 feet on 09/22/1928. - http://www.weather.gov/safety/floodSeverity: Severe Effective: April 20, 2026, 11:22 am Expires: April 21, 2026, 3:00 am Area: Grant, WI; Iowa, WI; Richland, WI |