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.

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

Heroic 80-Year-Old NJ Crossing Guard Tragically Dies After Saving Children from Oncoming Vehicle

An esteemed crossing guard from New Jersey tragically lost her life after…

Revolutionizing the Runway: NYC Engineer Unveils Futuristic Robotic Fashions for the 2026 Met Gala

Janelle Monáe’s appearance at the 2026 Met Gala was far from ordinary;…

Tragic Murder-Suicide in Hanford: Man Kills Ex-Wife’s Boyfriend Before Turning Gun on Himself

The community of Hanford, California, is reeling from a tragic incident that…

Washington Incident: Driver Arrested for Allegedly Pursuing Child on Dirt Bike by Jumping Curb

A suspect, apprehended on suspicion of driving under the influence, reportedly “resisted…

Emerging Competitor Threatens Napa Valley’s Reign as Top Wine Destination

Recently, Sonoma County has been giving its southern neighbor, Napa Valley, a…

Judge Halts South Carolina Execution: Inmate’s Immortality Belief and Mental Illness Affect Ruling

A South Carolina judge has ruled that an inmate, convicted of murdering…

Intense Clashes Erupt Between Anti-Israel Protesters and NYPD Near Manhattan Synagogue

Tensions flared outside a Manhattan synagogue on Tuesday evening as anti-Israel demonstrators…

Chicago Loop Community Unites to Support Street Performer Andrew David After Tip Theft Caught on Video

For nearly ten years, Andrew David has transformed the bustling streets and…

Bloodhound Assists in Pursuit of Armed Special Forces Fugitive Following Alleged Domestic Shooting Incident

EXCLUSIVE TO FOX: In the tense hours following the alleged shooting incident…

Arkansas Family Discovers Unknown Occupant Residing in Their Basement

In a startling discovery, an Arkansas family found an unfamiliar individual secretly…

FBI Director Kash Patel Criticizes Sheriff Amid Controversy in Nancy Guthrie Case

FBI Director Kash Patel has expressed disapproval of how local authorities managed…

Exploring California’s Final Nuclear Facility Amid Local Concerns of a Potential Meltdown

Have you ever been curious about what lies within California’s last operational…