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Adams County Sheriff's Office
Monday April 13th, 2026 :: 06:12 p.m. CDT

Alert

Flood Warning until 01:00AM Sunday

...The Flood Warning continues for the following rivers in Wisconsin... Wisconsin River at Castle Rock Dam affecting Adams and Juneau Counties. .Ongoing precipitation from thunderstorms across central Wisconsin will route into the Wisconsin River over the next 24 hours. Increased flows are being observed already at Castle Rock Dam.

* WHAT...Minor flooding is occurring and moderate flooding is forecast.

* WHERE...Wisconsin River at Castle Rock Dam.

* WHEN...From this evening to early Sunday morning.

* IMPACTS...At 40,000.0 cfs, Localized flooding of properties along the river off Highway Z and HH is possible downstream of the Castle Rock Dam.

* ADDITIONAL DETAILS... - At 5:10 PM CDT Monday the flow was 34,778.0 cfs. - Bankfull flow is 20,000.0 cfs. - Recent Activity...The maximum river flow in the 24 hours ending at 5:10 PM CDT Monday was 34,829.0 cfs. - Forecast...The river is expected to rise to a crest of 38,000.0 cfs just after midnight tonight. It will then fall below flood stage late Saturday evening. - Flood flow is 30,000.0 cfs. - Flood History...No available flood history. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: ADAMS, WI ... JUNEAU, WI

Instructions:

Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional river and weather information is available at www.weather.gov/lacrosse. The next statement will be issued late tonight by 400 AM CDT.

Address/Location
Adams County Sheriff's Office
401 Adams St
Friendship, WI 53934

Contact
Emergency: 9-1-1
Non-emergencies: 608-339-3304

Submit an anonymous web tip

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Flood Warning

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