The Chicago weather forecast includes a Heat Advisory for the entire area and an Extreme Heat Warning for Cook County Saturday, Sunday and Monday. Temperatures soared into the 90s on Saturday.

The Chicago weather forecast includes a Heat Advisory for the entire area and an Extreme Heat Warning for Cook County Sunday and Monday.

As a dangerous heat wave approaches the Chicago area, NBC 5 Storm Team Chief Meteorologist Brant Miller takes a look at why temperatures will remain so high overnight.

“Dangerously hot and humid” conditions are moving into the Chicago area this weekend, potentially pushing the heat index as high as 105 degrees, according to the National Weather Service.

The Extreme Heat Warning takes effect at 10 a.m. Saturday, and lasts through 12 a.m. on Tuesday, June 24, and covers the entire county, including Chicago.

The Chicago-Naperville-Elgin metropolitan area is the third-largest and Cook County is the second-largest in the country. A participant in the Promise Keepers, a nondenominational Christian ...

The Chicago area will see several waves of rainstorms Tuesday and Wednesday before a weekend of summer heat, according to the National Weather Service. The rainstorms are expected to hit Tuesday ...

A 'heat dome' will bring stifling temperatures and humidity to the Midwest, including the Chicago area, this weekend.

An extreme heat warning remained in effect across Cook County through Monday night. Through the rest of the week, Chicago is in store for scattered afternoon and evening thunderstorms, Carlaw said.

The Chicago area is bracing for several days of extreme heat starting Saturday, the first full day of summer. ABC7 Chicago is now streaming 24/7. Click here to watch Temperatures soared into the ...