Headline:
Flood Warning issued April 18 at 8:09PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 18, 2026 - 6:09pm
Expires:
April 19, 2026 - 12:15pm
Description:
...The Flood Warning continues for the following rivers in
Illinois...
Rock River at Byron affecting Ogle County.
Rock River at Rockton affecting Winnebago County.
Rock River at Latham Park affecting Winnebago County.
* WHAT...Moderate flooding is occurring and forecasted to continue.
* 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 7:15 PM CDT Saturday the stage was 14.3 feet.
- Forecast...The river is expected to rise toward a crest of
15.3 feet tomorrow evening. It is then expected to slowly
fall through next week.
- Flood stage is 13.0 feet.
- 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 Sunday afternoon.
Area Description:
Ogle, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov