Headline:
Flood Warning issued June 18 at 10:24AM CDT until June 19 at 1:40AM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
June 18, 2026 - 8:24am
Expires:
June 18, 2026 - 8:00pm
Description:
...The Flood Warning is extended for the following rivers in
Illinois...
Thorn Creek at Thornton affecting Cook County.
* 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 just after midnight tonight.
* IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood.
* ADDITIONAL DETAILS...
- At 10:00 AM CDT Thursday the stage was 11.0 feet.
- Forecast...The river is expected to fall below flood stage
this evening.
- 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 this evening.
Area Description:
Cook, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov