Chicago weather tomorrow: Heat Advisory issued for Monday; heat index expected to exceed 100 degrees in parts of area

CHICAGO (WLS) — Potentially dangerous heat is expected to impact the Chicago area on Monday.

A few storms are set to pass through the Chicago area on Sunday, with potential for further storms before sunrise on Monday, according to AccuWeather Meteorologist Jaisol Martinez.

ABC7 Chicago is now streaming 24/7. Click here to watch

But those storms are not expected to hinder the building heat and humidity.

The National Weather Service has issued a Heat Advisory for Boone, Cook, DeKalb, Will, Grundy, Kane, Kankakee, Kendall, LaSalle, Lake (IL), Livingston, McHenry, Ogle, Winnebago, Newton, Jasper, Lake (IN), and Porter counties, effective from noon until 8 p.m. on Monday.

Peak heat indices are forecast to be in the 100-110 degree range, especially on Monday, the NWS said.

AccuWeather Meteorologist Greg Dutra said temperatures in parts of the area will exceed 105 degrees on Monday afternoon.

Chicago Weather Update: Heat Advisory for Monday with Heat Index Over 100 Degrees Expected in Some Areas

Tuesday is expected to remain hot and humid before rain chances increase again on Wednesday as a cold front approaches the area.

READ MORE | OEMC, cooling centers, AC and more: What’s changed since the deadly 1995 Chicago heat wave

Temperatures will drop below average, into the 70s, later this week. Low humidity is expected on Thursday through Sunday.

RELATED | Rising summer heat increases risk of child deaths in hot cars

Cook County Radar DuPage County Radar Will County Radar Lake County Radar (IL) Kane County Radar Northwest Indiana Radar


Copyright © 2025 WLS-TV. All Rights Reserved.

You May Also Like

Garbage Heap Collapse Buries Homes, Kills at Least 30 in Disaster - Internewscast Journal

Garbage Heap Collapse Buries Homes, Kills at Least 30 in Disaster

At least 30 people died Sunday in Guinea after a huge landslide…
Hawk Fire Near Reno, Nevada Prompts Thousands of Evacuations as Blaze Rapidly Spreads - Internewscast Journal

Hawk Fire Near Reno, Nevada Prompts Thousands of Evacuations as Blaze Rapidly Spreads

A rapidly expanding wildfire pushed out of the Sierra foothills toward Reno…
Education Secretary Linda McMahon Says 1 in 10 Children Face Sexual Abuse Before Graduation - Internewscast Journal

Education Secretary Linda McMahon Says 1 in 10 Children Face Sexual Abuse Before Graduation

WASHINGTON — Education Secretary Linda McMahon said Sunday that federal education officials…
Soldier Mom Who Murdered Daughter Created Disturbing Afterlife Memorial Photo - Internewscast Journal

Soldier Mom Who Murdered Daughter Created Disturbing Afterlife Memorial Photo

A North Carolina soldier who fatally beat her 2-year-old daughter later lied…
Minnesota Tree Trimmer Charged After Deadly Jobsite Horseplay - Internewscast Journal

Minnesota Tree Trimmer Charged After Deadly Jobsite Horseplay

A Minnesota tree-trimming worker is facing a manslaughter charge after authorities say…
Young Pilot Uninjured After Emergency Landing in Front of Florida Beachgoers - Internewscast Journal

Young Pilot Uninjured After Emergency Landing in Front of Florida Beachgoers

A 23-year-old pilot drew stunned reactions from beachgoers in Florida after deliberately…
Beloved Jewish Teacher, Mom of 4 Dies in Long Island Pool Crash - Internewscast Journal

Beloved Jewish Teacher, Mom of 4 Dies in Long Island Pool Crash

A Long Island community is mourning the death of Allison Rahmani, a…
SNAP Enrollment Drops 13% as Trump Food Aid Rules Take Hold - Internewscast Journal

SNAP Enrollment Drops 13% as Trump Food Aid Rules Take Hold

Participation in the nation’s largest federally funded food assistance program fell by…
Nevada Brush Fire Explodes to 10,500 Acres, Prompting Governor’s State of Emergency - Internewscast Journal

Nevada Brush Fire Explodes to 10,500 Acres, Prompting Governor’s State of Emergency

A rapidly spreading brush fire roared through more than 10,500 acres near…
Florida couple allegedly held four children in tractor-trailer cab for nearly six years

Florida Couple Accused of Holding 4 Kids in Truck for 6 Years

A Florida couple is facing child neglect charges after authorities alleged they…
Louisiana Girl Lillian Smart Dies After Suspected Brain-Eating Amoeba Infection Linked to Lake Swim - Internewscast Journal

Louisiana Girl Lillian Smart Dies After Suspected Brain-Eating Amoeba Infection Linked to Lake Swim

Lillian Smart, an 8-year-old from Louisiana whom health officials believe may have…
'Quintuple homicide' suspect found dead after 5 bodies, multiple dead animals discovered on rural Oregon property

Oregon Quintuple Homicide Suspect Dead After 5 Bodies Found

Authorities in Oregon are investigating a suspected quintuple homicide after five people…