Headline:
Flood Warning issued March 16 at 4:40AM CDT until March 16 at 1:00PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Expected
Effective:
March 16, 2026 - 2:40am
Expires:
March 16, 2026 - 11:00am
Description:
...The National Weather Service in Chicago IL has issued a Flood
Warning for the following rivers in Illinois...
Thorn Creek at Thornton affecting Cook County.
* WHAT...Minor flood stage is forecasted.
* WHERE...Thorn Creek from Near Glenwood downstream to confluence
with Little Calumet River, including the Thornton gauge.
* WHEN...From early this morning to this afternoon.
* IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn
Creek Diversion Tunnel.
* ADDITIONAL DETAILS...
- At 4:30 AM CDT Monday the stage was 8.9 feet.
- The stage has been rising throughout this morning.
- Forecast...The river is expected to rise above flood later
this morning and crest just over 9 feet. It is then expected
to fall below flood stage by early 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 10 AM this morning. this
afternoon.
Area Description:
Cook, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov