< Wisconsin Flood Warning | Effective 04/18/2026 21:33

Wisconsin Flood Warning | Effective 04/18/2026 21:33

Headline: 
Flood Warning issued April 18 at 11:33PM CDT until April 22 at 3:15AM CDT by NWS La Crosse WI
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 18, 2026 - 9:33pm
Expires: 
April 19, 2026 - 12:45pm
Description: 
...The Flood Warning is extended for the following rivers in Wisconsin... Wisconsin River at Muscoda affecting Richland, Grant and Iowa Counties. ...The Flood Warning continues for the following rivers in Wisconsin... Yellow River at Necedah affecting Juneau County. Wisconsin River at Castle Rock Dam affecting Juneau and Adams Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Wisconsin River at Castle Rock Dam. * WHEN...Until early Wednesday morning. * IMPACTS...At 30,000.0 cfs, Localized flooding occurs along the river downstream of the Castle Rock Dam. * ADDITIONAL DETAILS... - At 11:10 PM CDT Saturday the flow was 30,064.0 cfs. - Flow is 30,000 cfs when flooding occurs downstream of Castle Rock Dam. - Recent Activity...The maximum river flow in the 24 hours ending at 11:10 PM CDT Saturday was 30,543.0 cfs. - Forecast...The river is expected to rise to a crest of 30,300.0 cfs early Monday morning. It will then fall below flood stage late Tuesday morning. - Flood flow is 30,000.0 cfs. - Flood History...No available flood history. - http://www.weather.gov/safety/flood
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Caution is urged when walking near riverbanks. Additional river and weather information is available at www.weather.gov/lacrosse. The next statement will be issued Sunday afternoon by 245 PM CDT.
Area Description: 
Adams, WI; Juneau, WI
Forcast Office: 
NWS La Crosse WI