06/23/2026
LTACC 911 Center Weather Alert for Countryside, La Grange, La Grange Park & Western Springs:
FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING
Flood Warning issued June 22 at 8:14PM CDT until June 23 at 10:00AM CDT by NWS Chicago IL..The Flood Warning is extended for the following rivers in
Illinois...Indiana...
Thorn Creek at Thornton affecting Cook County.
Little Calumet River at Munster (Hohman Avenue) affecting Cook
and Lake IN Counties.
For the Thorn Creek...including Thornton...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 Tuesday morning.
* IMPACTS...At 12.5 feet, Most areas outside of the levee-protected
area are inundated in Hammond and Munster.
* ADDITIONAL DETAILS...
- At 8:00 PM CDT Monday the stage was 12.4 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:00 PM CDT Monday was 13.2 feet.
- Forecast...The river is expected to fall below flood stage
around sunrise Tuesday and continue falling through the day.
- Flood stage is 12.0 feet.
- http://www.weather.gov/safety/flood