Headline:
Flood Warning issued April 21 at 8:47PM CDT until April 24 at 1:00PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 21, 2026 - 6:47pm
Expires:
April 22, 2026 - 1:00pm
Description:
...The Flood Warning continues for the following rivers in
Illinois...
Des Plaines River at Lincolnshire affecting Cook and Lake IL
Counties.
Des Plaines River near Des Plaines affecting Cook County.
Des Plaines River near Gurnee affecting Lake IL County.
Des Plaines River near Russell affecting Lake IL County.
* WHAT...Moderate flooding is occurring and forecasted to continue.
* WHERE...Des Plaines River from Townline Road in Libertyville
downstream to Palatine Road in Prospect Heights, including the
Lincolnshire gauge.
* WHEN...Until early Friday afternoon.
* IMPACTS...At 15.0 feet, Structures threatened along IL-22
(Half-Day Road) just east of the river. Multiple structures
threatened near and west of US-45 (Milwaukee Avenue) and Deerfield
Road. Deerfield Road threatened near the river. Multiple trails
inundated in Half-Day Forest Preserve.
* ADDITIONAL DETAILS...
- At 7:45 PM CDT Tuesday the stage was 14.9 feet.
- Forecast...The river is expected to continue gradually
falling through the week, and may fall below Flood stage by
Friday morning.
- Flood stage is 12.5 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 afternoon.
Area Description:
Cook, IL; Lake, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov