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