Watches, Warnings & Advisories



2 products issued by NWS for: Calumet City IL

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
958 PM CDT Sun Jun 22 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-240300-
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-
958 PM CDT Sun Jun 22 2025 /1058 PM EDT Sun Jun 22 2025/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Significant Excessive Heat Risk.

DISCUSSION...

Conditions will remain very warm and humid tonight with
temperatures only expected to fall into the middle 70s to around
80, warmest in and just outside of the city of Chicago.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday...
  Significant Excessive Heat Risk.
Monday Evening through Thursday...
  Limited Thunderstorm Risk.
  Limited Flooding Risk.
  Limited Excessive Heat Risk.
Friday and Saturday...
 Limited Thunderstorm Risk.

DISCUSSION...

Expect dangerous heat to continue through Monday with peak heat
indices again between 100 and 105 degrees.

Periodic thunderstorm chances exist Monday evening through the
end of the week. The strongest storms may be capable of damaging
winds and localized flooding.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$



Extreme Heat Warning

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
906 PM CDT Sun Jun 22 2025

ILZ103>105-231215-
/O.CON.KLOT.XH.W.0001.000000T0000Z-250624T0500Z/
Northern Cook-Central Cook-Southern Cook-
Including the cities of Schaumburg, Chicago, Cicero, Orland Park,
La Grange, Oak Forest, Lemont, Palatine, Oak Lawn, Des Plaines,
Park Forest, Calumet City, Northbrook, Evanston, and Oak Park
906 PM CDT Sun Jun 22 2025

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

* WHAT...Dangerously hot and humid conditions with high temperatures
  well into the 90s and afternoon heat index values between 100 and
  105 degrees expected Monday afternoon.

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

* WHEN...Until midnight CDT Monday Night.

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

* ADDITIONAL DETAILS...Heat impacts will be worsened by consecutive
  days of hot and humid conditions, with overnight lows near 80
  degrees providing limited relief.

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.

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.

&&

$$