Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
217 PM CDT Wed Jun 24 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-251930-
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-
217 PM CDT Wed Jun 24 2026 /317 PM EDT Wed Jun 24 2026/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Elevated Thunderstorm Risk...with an associated:
     Level 2 of 5 Damaging Wind Risk...up to 60 mph.
     Level 2 of 5 Large Hail Risk...up to ping pong ball size.

DISCUSSION...

Scattered thunderstorms are expected this afternoon and evening.
A couple of the storms could become severe with large hail and
damaging winds the primary threat.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Friday...
  Limited Thunderstorm Risk south of I-80.
Saturday night and Sunday morning...
  Limited Thunderstorm Risk.
Monday...
  Elevated Excessive Heat Risk.
Tuesday...
  Limited Thunderstorm Risk.
  Elevated Excessive Heat Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotters may be needed through this evening.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the southeast 30 mph, isolated storms may move
  northeast up to 40 mph.

$$

Severe Weather Statement
National Weather Service Chicago/Romeoville
713 PM CDT Wed Jun 24 2026

ILC031-043-197-250100-
/O.CON.KLOT.SV.W.0160.000000T0000Z-260625T0100Z/
Will IL-DuPage IL-Cook IL-
713 PM CDT Wed Jun 24 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTH CENTRAL WILL...SOUTHERN DUPAGE AND SOUTH CENTRAL COOK
COUNTIES...

At 713 PM CDT, a severe thunderstorm was located over Woodridge,
moving east at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
         roofs, siding, and trees.

Locations impacted include...
Naperville, Bolingbrook, Orland Park, Oak Lawn, Downers Grove,
Romeoville, Woodridge, Homer Glen, Alsip, Palos Hills, Lemont, Burr
Ridge, Westmont, Lisle, Darien, Bridgeview, Chicago Ridge, Hickory
Hills, Palos Heights, Worth, Willowbrook, Willow Springs, and Palos
Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4172 8822 4182 8814 4169 8775 4158 8789
TIME...MOT...LOC 0013Z 290DEG 20KT 4175 8803

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Yack

Severe Weather Statement
National Weather Service Chicago/Romeoville
713 PM CDT Wed Jun 24 2026

ILC031-043-197-250100-
/O.CON.KLOT.SV.W.0160.000000T0000Z-260625T0100Z/
Will IL-DuPage IL-Cook IL-
713 PM CDT Wed Jun 24 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTH CENTRAL WILL...SOUTHERN DUPAGE AND SOUTH CENTRAL COOK
COUNTIES...

At 713 PM CDT, a severe thunderstorm was located over Woodridge,
moving east at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
         roofs, siding, and trees.

Locations impacted include...
Naperville, Bolingbrook, Orland Park, Oak Lawn, Downers Grove,
Romeoville, Woodridge, Homer Glen, Alsip, Palos Hills, Lemont, Burr
Ridge, Westmont, Lisle, Darien, Bridgeview, Chicago Ridge, Hickory
Hills, Palos Heights, Worth, Willowbrook, Willow Springs, and Palos
Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4172 8822 4182 8814 4169 8775 4158 8789
TIME...MOT...LOC 0013Z 290DEG 20KT 4175 8803

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Yack

Severe Thunderstorm Warning
ILC031-250130-
/O.NEW.KLOT.SV.W.0161.260625T0003Z-260625T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Chicago/Romeoville
703 PM CDT Wed Jun 24 2026

The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for...
  Southeastern Cook County in northeastern Illinois...

* Until 830 PM CDT.

* At 703 PM CDT, severe thunderstorms were located along a line
  extending from Franklin Park to Oak Brook to Woodridge, moving
  southeast at 30 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage
           to roofs, siding, and trees.

* Locations impacted include...
  Chicago, Cicero, Hammond, Orland Park, Tinley Park, Oak Lawn,
  Berwyn, Oak Park, Calumet City, Chicago Heights, Chicago Lawn,
  Englewood, South Shore, Roseland, South Lawndale, Midway Airport,
  Bridgeport, Austin, Burbank, Lansing, Oak Forest, Melrose Park,
  Harvey, Maywood, and Blue Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4147 8754 4147 8779 4156 8779 4156 8787
      4158 8789 4169 8775 4175 8792 4197 8792
      4180 8758 4178 8757 4178 8756 4176 8756
      4176 8754 4175 8754 4175 8753 4174 8754
      4173 8752 4148 8753
TIME...MOT...LOC 0003Z 316DEG 25KT 4195 8790 4183 8795 4175 8807

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Yack

Flood Advisory
National Weather Service Chicago IL
623 PM CDT Wed Jun 24 2026

ILC031-089-250230-
/O.NEW.KLOT.FA.Y.0046.260624T2323Z-260625T0230Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-Kane IL-
623 PM CDT Wed Jun 24 2026

...FLOOD ADVISORY IN EFFECT UNTIL 930 PM CDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall is expected.

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

* WHEN...Until 930 PM CDT.

* IMPACTS...Flooding may occur in poor drainage and urban areas.
  Roads and streets may be flooded.

* ADDITIONAL DETAILS...
  - At 621 PM CDT, Doppler radar indicated heavy rain due to
    thunderstorms with rates of 1 to 2 inches per hour. Up to 1.5
    inches of rain occurred from these storms earlier near
    Algonquin.
  - Some locations that will experience flooding include...
    Chicago, Elgin, Arlington Heights, Schaumburg, Palatine, Des
    Plaines, Mount Prospect, Hoffman Estates, Buffalo Grove,
    Bartlett, Streamwood, Hanover Park, Carpentersville,
    Wheeling, Elk Grove Village, Algonquin, Huntley, Barrington,
    Rolling Meadows and Roselle.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.

&&

LAT...LON 4199 8860 4207 8860 4207 8859 4215 8859
      4215 8823 4215 8793 4199 8792 4199 8802
      4199 8803 4199 8804 4199 8805 4199 8807
      4199 8826


$$

WSL

WATCH COUNTY NOTIFICATION FOR WATCH 387
NATIONAL WEATHER SERVICE CHICAGO IL
504 PM CDT WED JUN 24 2026

ILC031-043-091-197-250300-
/O.EXA.KLOT.SV.A.0387.000000T0000Z-260625T0300Z/

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 387 TO INCLUDE THE FOLLOWING AREAS UNTIL 10 PM CDT THIS
EVENING

IN ILLINOIS THIS WATCH INCLUDES 4 COUNTIES

IN NORTHEAST ILLINOIS

COOK                  DUPAGE                KANKAKEE
WILL

THIS INCLUDES THE CITIES OF BOLINGBROOK, BOURBONNAIS,
CAROL STREAM, CHICAGO, DOWNERS GROVE, EVANSTON, JOLIET, KANKAKEE,
LEMONT, LOMBARD, NAPERVILLE, OAK LAWN, ORLAND PARK, PARK FOREST,
SCHAUMBURG, WHEATON, AND WILMINGTON.

$$

Hazard Report Provided By forecast.weather.gov