Headline:
Flood Warning issued April 19 at 10:08PM CDT by NWS Milwaukee/Sullivan WI
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 19, 2026 - 8:08pm
Expires:
April 20, 2026 - 8:15am
Description:
...The Flood Warning is extended for the following rivers in
Illinois...Wisconsin...
Sugar River At Brodhead affecting Winnebago, Rock and Green
Counties.
...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...
Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.
Rock River At Fort Atkinson affecting Jefferson County.
Rock River At Afton affecting Winnebago and Rock 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.
Crawfish River At Milford affecting Jefferson County.
* WHAT...Minor flooding is occuring and moderate flooding is
forecast.
* WHERE...Rock River at Watertown.
* WHEN...Until further notice.
* IMPACTS...At 6.5 feet, Floodwaters affect some streets in
Watertown. Water is in Riverside Park. About 6 miles upstream near
Ixonia, Wayside park along Highway 16 and Kanow Park is flooded.
Rock River Road near Highway 16 is flooded.
* ADDITIONAL DETAILS...
- At 9:00 PM CDT Sunday the stage was 5.5 feet.
- Bankfull stage is 4.0 feet.
- Forecast...The river is hovering around minor flood stage
tonight and will continue rising to 6.3 feet Saturday
evening. Additional rises are possible thereafter.
- Flood stage is 5.5 feet.
- Flood History...This crest compares to a previous crest of
6.3 feet on 04/04/1959.
- http://www.weather.gov/safety/flood
Instruction:
Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Additional information is available at www.weather.gov.
The next statement will be issued Monday morning at 1015 AM CDT.
Area Description:
Jefferson, WI
Forcast Office:
NWS Milwaukee/Sullivan WI