Headline:
Flood Warning issued April 24 at 4:50AM CDT until April 28 at 4:00PM CDT by NWS Milwaukee/Sullivan WI
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 24, 2026 - 2:50am
Expires:
April 24, 2026 - 3:00pm
Description:
...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...
Rock River Near Lake Koshkonong affecting Jefferson and Rock
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.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Rock River at Jefferson.
* WHEN...Until Tuesday afternoon.
* 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 4:00 AM CDT Friday the stage was 11.3 feet.
- Bankfull stage is 8.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 4:00 AM CDT Friday was 11.4 feet.
- Forecast...The river is expected to fall below flood stage
late Tuesday morning and continue falling to 8.9 feet
Thursday evening.
- Flood stage is 10.0 feet.
- Flood History...This crest compares to a previous crest of
11.4 feet on 04/14/2008.
- 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.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Caution is urged when walking near riverbanks.
Additional information is available at www.weather.gov.
The next statement will be issued this afternoon at 500 PM CDT.
Area Description:
Jefferson, WI
Forcast Office:
NWS Milwaukee/Sullivan WI