Hazard Report Provided By forecast.weather.gov

Flood Statement
National Weather Service Chicago IL
1101 PM CDT Sat Jul 4 2026

ILC031-037-043-089-051600-
/O.CON.KLOT.FA.W.0011.000000T0000Z-260705T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-De Kalb IL-DuPage IL-Kane IL-
1101 PM CDT Sat Jul 4 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL 11 AM CDT SUNDAY...

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

* WHERE...Portions of north central and northeast Illinois,
  including the following counties, in north central Illinois, De
  Kalb. In northeast Illinois, Cook, DuPage and Kane.

* 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. Roads and streets may
  be flooded. High water likely may recede slowly from flooded areas.

* ADDITIONAL DETAILS...
  - At 1058 PM CDT, local law enforcement, emergency dispatch
    centers, and highway departments reported flooding continues
    across the area. While heavy rainfall has ended, some
    flooding will be slow to recede. Some streams may continue to
    rise over the next few hours.
  - Some locations that will experience flooding include...
    Chicago, Aurora, Naperville, Elgin, Cicero, Arlington
    Heights, Schaumburg, Palatine, Des Plaines, Berwyn, Mount
    Prospect, Wheaton, Hoffman Estates, Oak Park, Downers Grove,
    Elmhurst, Lombard, Bartlett, Ohare Airport and Streamwood.
  - 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.

&&

LAT...LON 4188 8860 4189 8855 4190 8841 4206 8842
      4214 8841 4214 8821 4208 8797 4180 8758
      4178 8777 4181 8818 4194 8809 4198 8813
      4197 8822 4184 8826 4178 8839 4181 8860
      4184 8880


$$

Carlaw

Flood Statement
National Weather Service Chicago IL
1101 PM CDT Sat Jul 4 2026

ILC031-037-089-093-099-103-197-INC089-127-051600-
/O.CON.KLOT.FA.W.0012.000000T0000Z-260705T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-De Kalb IL-Kane IL-Kendall IL-La Salle IL-Lee IL-Will IL-
Lake IN IN-Porter IN-
1101 PM CDT Sat Jul 4 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL 11 AM CDT SUNDAY...

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

* WHERE...Portions of Illinois, including the following counties,
  Cook, De Kalb, Kane, Kendall, La Salle, Lee and Will and northwest
  Indiana, including the following counties, Lake IN and Porter.

* 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. Roads and streets may
  be flooded. High water likely may recede slowly from flooded areas.

* ADDITIONAL DETAILS...
  - At 1058 PM CDT, local law enforcement, emergency dispatch
    centers, and highway departments reported flooding across the
    area. While heavy rainfall has ended, some flooding will be
    slow to recede. Some streams may continue to rise over the
    next few hours.
  - Some locations that will experience flooding include...
    Chicago, Aurora, Joliet, Naperville, Hammond, Gary,
    Bolingbrook, Orland Park, Tinley Park, Oak Lawn, Romeoville,
    Plainfield, Calumet City, Portage, Merrillville, Valparaiso,
    Oswego, Chicago Heights, Chicago Lawn and Roseland.
  - 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.

&&

LAT...LON 4185 8889 4178 8836 4167 8835 4171 8825
      4162 8814 4171 8778 4178 8776 4180 8758
      4170 8749 4164 8736 4164 8719 4172 8693
      4140 8694 4131 8766 4155 8801 4154 8888
      4170 8897


$$

Carlaw


403
WGUS83 KLOT 050401 RRB
FLSLOT

Flood Statement
National Weather Service Chicago IL
1101 PM CDT Sat Jul 4 2026

Flood Statement
National Weather Service Chicago IL
1101 PM CDT Sat Jul 4 2026

ILC031-043-089-093-197-051900-
/O.CON.KLOT.FA.W.0013.000000T0000Z-260705T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-DuPage IL-Kane IL-Kendall IL-Will IL-
1101 PM CDT Sat Jul 4 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM CDT SUNDAY...

* WHAT...Significant flooding caused by excessive rainfall continues.

* WHERE...A portion of northeast Illinois, including the following
  counties, Cook, DuPage, Kane, Kendall and Will.

* WHEN...Until 200 PM CDT Sunday.

* IMPACTS...Creeks and streams will rise out of their banks.
  Extensive street flooding is occurring. Flooding of structures and
  basements is possible. High water may be slow to recede from
  flooded areas.

* ADDITIONAL DETAILS...
  - At 1058 PM CDT, local law enforcement, emergency dispatch
    departments, and highway departments reported widespread
    flooding across the area. Some significant flooding is
    ongoing with multiple roadways impassable and basements
    flooded. Up to 6 inches of rain fell due to earlier
    thunderstorms. Because heavy rainfall has ended, worsening of
    flood impacts is not expected over the next several hours.
    However, as water moves into rivers and streams, river levels
    will continue to rise. In addition, standing water in flooded
    areas will be slow to recede.
  - Some locations that will experience flooding include...
    Chicago, Aurora, Naperville, Schaumburg, Bolingbrook, Oak
    Lawn, Wheaton, Downers Grove, Bartlett, Streamwood, Carol
    Stream, Romeoville, Plainfield, Hanover Park, Glendale
    Heights, Woodridge, Oswego, Burbank, West Chicago and
    Batavia.
  - 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.

&&

LAT...LON 4184 8827 4188 8824 4197 8822 4199 8818
      4199 8809 4193 8809 4185 8816 4180 8814
      4179 8797 4182 8784 4178 8776 4169 8778
      4168 8790 4161 8810 4162 8818 4166 8820
      4169 8827 4166 8835 4170 8838 4185 8837


$$

Carlaw

Flood Statement
National Weather Service Chicago IL
758 PM CDT Sat Jul 4 2026

...The Flood Warning is extended for the following rivers in
Illinois...

  Thorn Creek at Thornton affecting Cook County.

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 Sunday afternoon.

&&

ILC031-051900-
/O.EXT.KLOT.FL.W.0050.000000T0000Z-260707T0112Z/
/THNI2.1.ER.260704T0732Z.260705T1200Z.260706T1912Z.NO/
758 PM CDT Sat Jul 4 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 7:45 PM CDT Saturday the stage was 12.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 7:45 PM CDT Saturday was 12.7 feet.
  - Forecast...The river is expected to rise to a crest of 13.3
    feet Sunday morning. It will then fall below flood stage
    early Monday afternoon.
  - Flood stage is 9.0 feet.
  - http://www.weather.gov/safety/flood

&&

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


$$

Flood Warning
National Weather Service Chicago IL
750 PM CDT Sat Jul 4 2026

...The National Weather Service in Chicago IL has issued a Flood
Warning for the following rivers in Illinois...Indiana...

  Little Calumet River at Munster (Hohman Avenue) affecting Lake IN
  and Cook Counties.

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 by Sunday afternoon.

&&

ILC031-INC089-051900-
/O.NEW.KLOT.FL.W.0055.260705T0050Z-260705T2035Z/
/LCMI3.1.ER.260704T2333Z.260705T0600Z.260705T1434Z.NO/
750 PM CDT Sat Jul 4 2026

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO SUNDAY AFTERNOON...

* 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...From this evening to Sunday afternoon.

* IMPACTS...At 12.5 feet, Most areas outside of the levee-protected
  area are inundated in Hammond and Munster.

* ADDITIONAL DETAILS...
  - At 7:00 PM CDT Saturday the stage was 12.2 feet.
  - Recent Activity...The river has rapidly rose above flood
    stage.
  - Forecast...The river is expected to rise to a crest of 12.9
    feet just after midnight tonight. It is then expected to fall
    below flood stage late Sunday morning.
  - Flood stage is 12.0 feet.
  - http://www.weather.gov/safety/flood

&&

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


$$

Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
721 PM CDT Sat Jul 4 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-060030-
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-
721 PM CDT Sat Jul 4 2026 /821 PM EDT Sat Jul 4 2026/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk.

DISCUSSION...

Isolated thunderstorms are possible. No severe weather is expected.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Sunday...
  Limited Thunderstorm Risk.
Wednesday through Friday...
  Limited Thunderstorm Risk at times.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east at 30 mph.

$$

Hazard Report Provided By forecast.weather.gov