Headline:
Flood Warning issued March 7 at 9:49AM CST until March 8 at 3:00AM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
March 7, 2026 - 7:49am
Expires:
March 8, 2026 - 12:00am
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 late tonight.
* IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood.
* ADDITIONAL DETAILS...
- At 9:30 AM CST Saturday the stage was 10.1 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:30 AM CST Saturday was 10.1 feet.
- Forecast...The river is expected to rise to a crest of 10.1
feet this afternoon. It will then 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.
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