Headline:
Flood Warning issued August 2 at 10:29AM CDT until August 3 at 6:00PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
August 2, 2026 - 8:29am
Expires:
August 3, 2026 - 2:30am
Description:
...The Flood Warning continues 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 Monday evening.
* IMPACTS...At 13.0 feet, Parking lots threatened at Glenwood
Academy.
* ADDITIONAL DETAILS...
- At 10:00 AM CDT Sunday the stage was 12.9 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 10:00 AM CDT Sunday was 13.3 feet.
- Forecast...The river has crested and is expected to fall below
flood stage early tomorrow afternoon.
- 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