Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
148 PM CDT Thu Jul 2 2026

ILZ103>105-030500-
/O.CON.KLOT.XH.W.0001.000000T0000Z-260703T0500Z/
Northern Cook-Central Cook-Southern Cook-
Including the cities of La Grange, Des Plaines, Northbrook,
Lemont, Chicago, Park Forest, Schaumburg, Evanston, Cicero,
Calumet City, Palatine, Oak Park, Oak Forest, Oak Lawn, and
Orland Park
148 PM CDT Thu Jul 2 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...

* WHAT...Dangerously hot conditions with heat index values of 100 to
  105 degrees.

* WHERE...Central Cook, Northern Cook, and Southern Cook Counties.

* WHEN...Until midnight CDT tonight.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

The magnitude of anticipated heat, combined with oppressive warmth
at night will lead to hazardous conditions, particularly for the
elderly and those with pre-existing health conditions. Residents of
the city of Chicago can call 3 1 1 to request well being checks for
elderly friends or family members, or for information on finding the
nearest cooling center. Stay cool, stay hydrated, stay informed.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

RC

Flood Advisory
National Weather Service Chicago IL
858 PM CDT Thu Jul 2 2026

ILC031-043-097-030500-
/O.NEW.KLOT.FA.Y.0051.260703T0158Z-260703T0500Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-DuPage IL-Lake IL IL-
858 PM CDT Thu Jul 2 2026

...FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...

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

* WHERE...A portion of northeast Illinois, including the following
  counties, Cook, DuPage and Lake IL.

* WHEN...Until midnight CDT tonight.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
  may occur in poor drainage and urban areas. Underpasses may be
  flooded.

* ADDITIONAL DETAILS...
  - At 858 PM CDT, Doppler radar and automated rain gauges
    indicated heavy rain due to thunderstorms. Up to 1.5 inches
    of rain have fallen.
  - Additional rainfall amounts of 1 to 2 inches are expected
    over the area. This additional rain will result in minor
    flooding.
  - Some locations that will experience flooding include...
    Elgin, Arlington Heights, Schaumburg, Palatine, Des Plaines,
    Mount Prospect, Hoffman Estates, Glenview, Buffalo Grove,
    Bartlett, Streamwood, Hanover Park, Wheeling, Northbrook, Elk
    Grove Village, Highland Park, West Chicago, Lake Forest,
    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.

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

&&

LAT...LON 4202 8826 4203 8826 4204 8826 4215 8802
      4225 8782 4213 8773 4199 8810 4193 8826
      4195 8826 4197 8826 4199 8826


$$

Carlaw

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
324 PM CDT Thu Jul 2 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-032030-
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-
324 PM CDT Thu Jul 2 2026 /424 PM EDT Thu Jul 2 2026/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Elevated Excessive Heat Risk Through This Evening.
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Damaging Wind Risk...up to 60 mph.
     Level 1 of 5 Large Hail Risk...up to quarter size.
     Limited Flooding Risk.

DISCUSSION...

An isolated thunderstorm is possible this afternoon north of I-90
in far northern Illinois and south of US-24 in central Illinois.

Scattered thunderstorms are forecast this evening into the
overnight hours, especially near and north of I-80. A few
of these thunderstorms may be strong to severe.

Hot and humid conditions will continue through this evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...
  Elevated Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.
     Limited Flooding Risk.
  Elevated Excessive Heat Risk south of I-80.
Saturday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
     Limited Flooding Risk.
Sunday...
  Limited Thunderstorm Risk.

DISCUSSION...

Scattered thunderstorms are probable Friday afternoon across the
entire area and then into early Friday evening across northwest
Indiana. Some of these storms may become severe with damaging
winds the primary severe weather threat.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed tonight.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east at 40 mph.

$$

Hazard Report Provided By forecast.weather.gov