Headline:
Flood Warning issued April 4 at 11:34AM CDT until April 5 at 4:25PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 4, 2026 - 9:34am
Expires:
April 5, 2026 - 3:45am
Description:
...The Flood Warning is extended for the following rivers in
Illinois...
Thorn Creek at Thornton affecting Cook County.
For the Thorn Creek...including Thornton...Minor flooding is
forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Thorn Creek from Near Glenwood downstream to confluence
with Little Calumet River, including the Thornton gauge.
* WHEN...Until tomorrow afternoon.
* IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood.
* ADDITIONAL DETAILS...
- At 11:15 AM CDT Saturday the stage was 10.0 feet.
- Forecast...The river is expected to rise to a crest of 10.4
feet this evening. It will then fall below flood stage late
tomorrow morning.
- Flood stage is 9.0 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 late tonight.
Area Description:
Cook, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov