Hazard Report Provided By forecast.weather.gov

Coastal Hazard Message
National Weather Service Chicago IL
341 AM CDT Tue Jun 23 2026

ILZ006-103-230945-
/O.EXP.KLOT.BH.S.0006.000000T0000Z-260623T0900Z/
Lake IL-Northern Cook-
341 AM CDT Tue Jun 23 2026

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 4 AM CDT EARLY THIS
MORNING...

Waves will continue to subside today.

$$

Flood Statement
National Weather Service Chicago IL
814 PM CDT Mon Jun 22 2026

...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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 Tuesday morning.

&&

ILC031-231500-
/O.EXT.KLOT.FL.W.0047.000000T0000Z-260623T1500Z/
/THNI2.1.ER.260622T0445Z.260622T1700Z.260623T1000Z.NO/
814 PM CDT Mon Jun 22 2026

...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING...

* 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 Tuesday morning.

* IMPACTS...At 11.0 feet, 187th Street threatened in Glenwood.

* ADDITIONAL DETAILS...
  - At 8:00 PM CDT Monday the stage was 10.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:00 PM CDT Monday was 11.6 feet.
  - Forecast...The river is expected to fall below flood stage
    around sunrise Tuesday and continue falling through the day.
  - Flood stage is 9.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4161 8760 4158 8754 4151 8760 4154 8767


$$

Flood Statement
National Weather Service Chicago IL
814 PM CDT Mon Jun 22 2026

...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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 Tuesday morning.

&&

ILC031-INC089-231500-
/O.EXT.KLOT.FL.W.0046.000000T0000Z-260623T1500Z/
/LCMI3.1.ER.260622T0316Z.260622T0730Z.260623T1000Z.NO/
814 PM CDT Mon Jun 22 2026

...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY MORNING...

* 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

&&

LAT...LON 4163 8756 4159 8740 4153 8743 4157 8758


$$

Kluber

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