Headline:
Flood Warning issued April 30 at 10:27AM CDT until May 7 at 1:00AM CDT by NWS Milwaukee/Sullivan WI
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 30, 2026 - 8:27am
Expires:
April 30, 2026 - 8:30pm
Description:
...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...
Rock River At Afton affecting Winnebago and Rock Counties.
Fox River Lower Near New Munster affecting Kenosha and Lake
Counties.
Rock River At Newville affecting Rock County.
Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.
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 Afton.
* WHEN...Until Thursday, May 07.
* IMPACTS...At 10.0 feet, Floodwaters affect the property of a home
on South Christian Road on the east side of the river in the Afton
area. Minor erosional flood damage occurs to lowland and
agricultural land adjacent to the river the Afton and Janesville
areas.
* ADDITIONAL DETAILS...
- At 10:00 AM CDT Thursday the stage was 10.2 feet.
- Bankfull stage is 8.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:00 AM CDT Thursday was 10.4 feet.
- Forecast...The river is expected to fall below flood stage
Wednesday evening and continue falling to 8.9 feet Thursday,
May 07.
- Flood stage is 9.0 feet.
- Flood History...This crest compares to a previous crest of
10.2 feet on 03/04/1937.
- http://www.weather.gov/safety/flood
Instruction:
Caution is urged when walking near riverbanks.
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 this evening at 1030 PM CDT.
Area Description:
Winnebago, IL; Rock, WI
Forcast Office:
NWS Milwaukee/Sullivan WI
Sender:
w-nws.webmaster@noaa.gov