Headline:
Flood Warning issued April 18 at 9:52AM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 18, 2026 - 7:52am
Expires:
April 19, 2026 - 2:00am
Description:
...The Flood Warning continues for the following rivers in
Illinois...
Pecatonica River near Shirland affecting Winnebago County.
Rock River at Byron affecting Ogle County.
Rock River at Rockton affecting Winnebago County.
Rock River at Latham Park affecting Winnebago County.
...The Flood Warning is extended for the following rivers in
Illinois...
Kishwaukee River near Perryville affecting Winnebago County.
For the Rock River...including Rockton, Latham Park, Rockford
(Auburn Street), Byron, Dixon...Moderate flooding is forecast.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Rock River from Confluence with Kishwaukee River to Castle
Rock State Park near Oregon, including the Byron gauge.
* WHEN...Until further notice.
* IMPACTS...At 15.5 feet, Water threatens lower sections of the
water treatment plant property in Byron. Water threatens IL-2 west
of Byron.
* ADDITIONAL DETAILS...
- At 9:15 AM CDT Saturday the stage was 13.8 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:15 AM CDT Saturday was 13.8 feet.
- Forecast...The river is expected to rise to a crest of 15.3
feet early Monday afternoon.
- Flood stage is 13.0 feet.
- Flood History...This crest compares to a previous crest of
15.4 feet on 07/22/2017.
- http://www.weather.gov/safety/flood
Instruction:
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.
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.
Additional information is available at www.weather.gov.
The next statement will be issued by late tonight.
Area Description:
Ogle, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov