Headline:
Flood Warning issued April 25 at 10:09AM CDT until April 28 at 7:00PM CDT by NWS Milwaukee/Sullivan WI
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 25, 2026 - 8:09am
Expires:
April 25, 2026 - 8:15pm
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 Jefferson affecting Jefferson County.
Fox River Near Berlin affecting Green Lake County.
Rock River At Newville affecting Rock County.
Rock River At Afton affecting Rock and Winnebago Counties.
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.
Fox River Lower Near New Munster affecting Kenosha and Lake
Counties.
...The Flood Warning is extended for the following rivers in
Wisconsin...
Rock River At Fort Atkinson affecting Jefferson County.
...The Flood Warning is cancelled for the following rivers in
Wisconsin...
Fox River At Princeton affecting Green Lake County.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Rock River at Jefferson.
* WHEN...Until Tuesday evening.
* IMPACTS...At 11.0 feet, Floodwaters affect low lying areas of
residential and business property in Jefferson. Water approaches
the intersection of Highway 26 (Main St) and County Road N (E Dane
St). S Center Ave near the river flooded and Riverview Drive near
the wastewater plant flooded. Park is flooded. The retention pond
at S Main St and E Dane St is full.
* ADDITIONAL DETAILS...
- At 9:00 AM CDT Saturday the stage was 11.2 feet.
- Bankfull stage is 8.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:00 AM CDT Saturday was 11.3 feet.
- Forecast...The river is expected to fall below flood stage
early Tuesday afternoon and continue falling to 8.4 feet
Saturday, May 02.
- Flood stage is 10.0 feet.
- Flood History...This crest compares to a previous crest of
11.0 feet on 07/27/2010.
- http://www.weather.gov/safety/flood
Instruction:
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Caution is urged when walking near riverbanks.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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.
Additional information is available at www.weather.gov.
The next statement will be issued this morning at 1115 AM CDT.
Area Description:
Jefferson, WI
Forcast Office:
NWS Milwaukee/Sullivan WI