Headline:
Flood Warning issued April 29 at 11:07AM CDT by NWS Milwaukee/Sullivan WI
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 29, 2026 - 9:07am
Expires:
April 29, 2026 - 9:15pm
Description:
...The Flood Warning is extended for the following rivers in
Wisconsin...
Rock River Near Lake Koshkonong affecting Jefferson and Rock
Counties.
...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...
Rock River At Newville affecting Rock County.
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 near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.
Fox River Lower Near New Munster affecting Lake and Kenosha
Counties.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Rock River at Afton.
* WHEN...Until further notice.
* IMPACTS...At 10.5 feet, Floodwaters affect Riverside Park on the
north side of Janesville and South River Road on the south side of
Janesville. Floodwaters affect low spots on South River Rd on the
south side of Janesville. Floodwaters affect a home on South
Christian Rd on the east side of the river in the Afton area.
There is extensive lowland and agricultural land flooding in the
Afton and Janesville areas.
* ADDITIONAL DETAILS...
- At 8:00 AM CDT Wednesday the stage was 10.3 feet.
- Bankfull stage is 8.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:00 AM CDT Wednesday was 10.4 feet.
- Forecast...The river is expected to rise to a crest of 10.4
feet this afternoon.
- Flood stage is 9.0 feet.
- Flood History...This crest compares to a previous crest of
10.4 feet on 03/29/1952.
- 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 this evening at 1115 PM CDT.
Area Description:
Winnebago, IL; Rock, WI
Forcast Office:
NWS Milwaukee/Sullivan WI
Sender:
w-nws.webmaster@noaa.gov