Headline:
Flood Warning issued April 21 at 11:57AM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 21, 2026 - 9:57am
Expires:
April 22, 2026 - 4:00am
Description:
...The Flood Warning continues for the following rivers in
Illinois...
Rock River at Byron affecting Ogle County.
Pecatonica River near Shirland affecting Winnebago County.
Rock River at Rockton affecting Winnebago County.
Rock River at Latham Park affecting Winnebago County.
For the Rock River...including Latham Park, Byron, Rockton...
Moderate flooding is forecast.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Rock River from Swanson Road in Roscoe downstream to
Shorewood Park in Loves Park, including the Latham Park gauge.
* WHEN...Until further notice.
* IMPACTS...At 11.5 feet, Queen Oaks Drive is threatened in
Machesney Park. Lower-level of elevated structures threatened
along Harbor Lights Court west of Machesney Park. Ritter Drive is
threatened north of Baldwin Drive in Machesney Park.
* ADDITIONAL DETAILS...
- At 11:30 AM CDT Tuesday the stage was 11.3 feet.
- Recent Activity...The river stage remains fairly steady since
yesterday
- Forecast...The river is expected to gradually fall over the
next several days and may fall below moderate flood stage
late Thursday.
- Flood stage is 9.0 feet.
- http://www.weather.gov/safety/flood
Instruction:
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
Additional information is available at www.weather.gov.
The next statement will be issued by Wednesday morning.
Area Description:
Winnebago, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov