Headline:
Flood Warning issued April 30 at 9:56PM CDT until May 3 at 1:00AM CDT by NWS Milwaukee/Sullivan WI
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 30, 2026 - 7:56pm
Expires:
May 1, 2026 - 8:00am
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 Afton affecting Winnebago and Rock Counties.
Rock River At Newville affecting Rock County.
Rock River At Fort Atkinson affecting Jefferson County.
ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.
...The Flood Warning is extended for the following rivers in
Wisconsin...
Rock River At Jefferson affecting Jefferson County.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Rock River at Fort Atkinson.
* WHEN...Until early Sunday morning.
* IMPACTS...At 16.5 feet, In the Fort Atkinson area, the following
roads are impacted: Sinnissippi Drive, Bark River Road from Kutz
Road to Rock River Road, and Rock River Road from Highway 106 to
the Fort Atkinson city limits. Water is in park land near the
river in Fort Atkinson.
* ADDITIONAL DETAILS...
- At 9:00 PM CDT Thursday the stage was 16.4 feet.
- Bankfull stage is 14.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:00 PM CDT Thursday was 16.6 feet.
- Forecast...The river is expected to fall below flood stage
Saturday evening and continue falling to 14.8 feet Thursday,
May 07.
- Flood stage is 16.0 feet.
- Flood History...This crest compares to a previous crest of
16.4 feet on 03/18/2009.
- 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.
Additional information is available at www.weather.gov.
The next statement will be issued Friday morning at 1000 AM CDT.
Area Description:
Jefferson, WI
Forcast Office:
NWS Milwaukee/Sullivan WI