Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
309 PM CDT Wed Jul 1 2026

ILZ103>105-020615-
/O.CON.KLOT.XH.W.0001.000000T0000Z-260703T0500Z/
Northern Cook-Central Cook-Southern Cook-
Including the cities of Orland Park, Park Forest, Chicago,
Palatine, Lemont, La Grange, Calumet City, Northbrook,
Schaumburg, Oak Lawn, Des Plaines, Evanston, Oak Park, Oak
Forest, and Cicero
309 PM CDT Wed Jul 1 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
THURSDAY NIGHT...

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

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

* WHEN...Until midnight CDT Thursday Night.

* IMPACTS...Heat related illnesses increase during heat waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

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.

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

&&

$$

Borchardt

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
234 PM CDT Wed Jul 1 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-021945-
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-
234 PM CDT Wed Jul 1 2026 /334 PM EDT Wed Jul 1 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...with an associated:
     Level 1 of 5 Damaging Wind Risk...up to 60 mph.
  Elevated Excessive Heat Risk.

DISCUSSION...

Heat and humidity will continue with peak afternoon heat indices
between 100 and 105 degrees.

Thunderstorms may graze the Illinois and Wisconsin border this
afternoon through tonight. Localized wind damage cannot be ruled
out.

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

Thursday...
  Elevated Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.
  Elevated Excessive Heat Risk.
Friday...
  Limited Flooding Risk.
  Significant Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
  Elevated Excessive Heat Risk.
Saturday...
  Limited Flooding Risk.
  Elevated Thunderstorm Risk.
  Limited Excessive Heat Risk.
Sunday and Monday...
  Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation is not anticipated tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the northeast at 35 mph.

$$

Hazard Report Provided By forecast.weather.gov