Headline:
Flood Warning issued April 21 at 9:46PM CDT by NWS Milwaukee/Sullivan WI
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 21, 2026 - 7:46pm
Expires:
April 22, 2026 - 8:00am
Description:
...The Flood Warning continues for the following rivers in
Illinois...Wisconsin...
Rock River At Afton affecting Winnebago and Rock Counties.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Rock River at Afton.
* WHEN...Until further notice.
* IMPACTS...At 11.1 feet, Floodwaters affect Riverside Park and a
road in 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 9:00 PM CDT Tuesday the stage was 10.6 feet.
- Bankfull stage is 8.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:00 PM CDT Tuesday was 10.6 feet.
- Forecast...The river is expected to remain steady above flood
stage at 10.6 feet.
- Flood stage is 9.0 feet.
- Flood History...This crest compares to a previous crest of
11.0 feet on 06/01/2004.
- http://www.weather.gov/safety/flood
Instruction:
Caution is urged when walking near riverbanks.
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.
Additional information is available at www.weather.gov.
The next statement will be issued Wednesday morning at 1000 AM CDT.
Area Description:
Winnebago, IL; Rock, WI
Forcast Office:
NWS Milwaukee/Sullivan WI
Sender:
w-nws.webmaster@noaa.gov