Headline:
Flood Warning issued June 12 at 10:33AM CDT until June 13 at 1:00AM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
June 12, 2026 - 8:33am
Expires:
June 12, 2026 - 11:00pm
Description:
...The Flood Warning is extended for the following rivers in
Illinois...Indiana...
Little Calumet River at Munster (Hohman Avenue) affecting Lake IN
and Cook Counties.
...The Flood Warning continues for the following rivers in
Illinois...
Thorn Creek at Thornton affecting Cook County.
For the Little Calumet River...including Munster (Hohman Avenue)...
Minor flooding is forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Little Calumet River from IN-912 in Hammond downstream to
confluence with Thorn Creek in South Holland, including the
Munster (Hohman Avenue) gauge.
* WHEN...Until just after midnight tonight.
* IMPACTS...At 12.5 feet, Most areas outside of the levee-protected
area are inundated in Hammond and Munster.
* ADDITIONAL DETAILS...
- At 10:00 AM CDT Friday the stage was 12.4 feet.
- Recent Activity...The river climbed above flood stage
overnight and continues a slow climb.
- Forecast...The river is expected to crest near 12.5 feet by
early this afternoon and then fall below flood stage
overnight into tomorrow.
- Flood stage is 12.0 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; Lake, IN
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov