Headline:
Flood Warning issued August 1 at 9:30PM CDT until August 2 at 4:00PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
August 1, 2026 - 7:30pm
Expires:
August 2, 2026 - 1:30pm
Description:
...The Flood Warning is extended for the following rivers in
Indiana...Illinois...
Little Calumet River at Munster (Hohman Avenue) affecting Lake IN
and Cook Counties.
Thorn Creek at Thornton affecting Cook County.
For the Little Calumet River...including Munster (Hohman Avenue)...
Minor flooding is forecast.
* WHAT...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 Sunday afternoon.
* IMPACTS...At 12.5 feet, most areas outside of the levee-protected
area are inundated in Hammond and Munster.
* ADDITIONAL DETAILS...
- At 9:00 PM CDT Saturday, the stage was 12.0 feet.
- Forecast...The river is expected to rise above flood stage late
this evening to a crest of 12.3 feet tomorrow morning. It will
then fall below flood stage late tomorrow morning or during the
early afternoon.
- 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 Sunday afternoon at 330 PM CDT.
Area Description:
Cook, IL; Lake, IN
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov