Hazard Report Provided By forecast.weather.gov

Coastal Hazard Message
National Weather Service Chicago IL
315 AM CDT Sun Aug 2 2026

ILZ006-103-104-021615-
/O.CON.KLOT.BH.S.0010.000000T0000Z-260803T1400Z/
Lake IL-Northern Cook-Central Cook-
315 AM CDT Sun Aug 2 2026

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY
MORNING...

* WHAT...High wave action and dangerous currents expected at Lake
  Michigan beaches. Waves 5 to 8 feet expected.

* WHERE...Lake IL, Northern Cook and Central Cook Counties.

* WHEN...Through Monday morning.

* IMPACTS...Swimming conditions will be life threatening,
  especially for inexperienced swimmers. For information on swim
  advisories or bans at Chicago beaches: www. cpdbeaches. com.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid dangerous swimming conditions
and do not venture out onto piers, jetties, breakwalls, or other
shoreline structures.

&&

$$

Flood Statement
National Weather Service Chicago IL
404 AM CDT Sun Aug 2 2026

ILC031-197-INC089-021600-
/O.CON.KLOT.FA.W.0017.000000T0000Z-260802T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-Will IL-Lake IN-
404 AM CDT Sun Aug 2 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL 11 AM CDT THIS MORNING...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Southeastern Cook County in northeastern Illinois...
  Central Will County in northeastern Illinois...
  Northwestern Lake IN County in northwestern Indiana...

* WHEN...Until 1100 AM CDT Sunday.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
  may occur in poor drainage and urban areas. Slow moving or standing
  water may continue. High water may only slowly recede from flooded
  areas.

* ADDITIONAL DETAILS...
  - At 402 AM CDT, gauges on area creeks, streams, and rivers
    indicated ongoing flooding from earlier excessive rainfall in the
    warned area.
  - Some locations that will experience flooding include...
    Hammond, Gary, Tinley Park, Calumet City, Chicago Heights, East
    Chicago, Lansing, Oak Forest, Harvey, Highland, Munster, Dolton,
    Park Forest, Homewood, Matteson, Mokena, Frankfort, Steger, and
    South Holland.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means flooding is imminent or may already be
occurring. Persons along rivers, creeks, and other waterways should
take immediate precautions to protect life and property.

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 4165 8756 4172 8755 4171 8749 4169 8746
      4169 8741 4168 8738 4166 8740 4164 8737
      4164 8726 4151 8756 4141 8771 4141 8790
      4147 8790 4155 8785


$$

Birk

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
336 AM CDT Sun Aug 2 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-030845-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
336 AM CDT Sun Aug 2 2026 /436 AM EDT Sun Aug 2 2026/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  High Swim Risk Lake Michigan Beaches.

DISCUSSION...

Dangerous swimming conditions will continue at Lake Michigan
beaches due to high waves and rip currents.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday Morning...
  High Swim Risk Lake Michigan Beaches.
Wednesday...
  Elevated Flooding Risk.
  Limited Thunderstorm Risk.
Thursday...
  Limited Flooding Risk.
  Limited Thunderstorm Risk.
Friday and Saturday...
  Limited Thunderstorm Risk.

DISCUSSION...

Dangerous swimming conditions will continue at Lake Michigan
beaches through Monday morning.

Scattered thunderstorms are possible Wednesday and Wednesday
night with heavy rain and localized flooding possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

$$

Flood Statement
National Weather Service Chicago IL
930 PM CDT Sat Aug 1 2026

...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.

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 Sunday afternoon at 330 PM CDT.

&&

ILC031-022030-
/O.EXT.KLOT.FL.W.0065.000000T0000Z-260803T2308Z/
/THNI2.1.ER.260801T2013Z.260802T1200Z.260803T1708Z.NO/
930 PM CDT Sat Aug 1 2026

...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY EVENING...

* 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 Monday evening.

* IMPACTS...At 13.5 feet, Chicago Heights Glenwood Road threatened in
  Glenwood. Residential parking lots threatened along Margaret Street
  in Thornton.

* ADDITIONAL DETAILS...
  - At 9:00 PM CDT Saturday, the stage was 11.1 feet.
  - Forecast...The river is expected to rise to a crest of 13.6 feet
    tomorrow morning. It will then fall below flood stage Monday
    afternoon.
  - Flood stage is 9.0 feet.
  - http://www.weather.gov/safety/flood

&&

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


$$

Ogorek

Flood Statement
National Weather Service Chicago IL
930 PM CDT Sat Aug 1 2026

...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.

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 Sunday afternoon at 330 PM CDT.

&&

ILC031-INC089-022030-
/O.EXT.KLOT.FL.W.0066.000000T0000Z-260802T2100Z/
/LCMI3.1.ER.260801T2325Z.260802T1200Z.260802T1500Z.NO/
930 PM CDT Sat Aug 1 2026

...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY AFTERNOON...

* 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

&&

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


$$

Hazard Report Provided By forecast.weather.gov