If you are going to be spending a prolonged period of time in the heat, it is important to know the symptoms of heat stroke and heat exhaustion.

Chicago weather: Heat index exceeds 100 degrees in parts of area following pop-up storms Peak heat indices are forecast to be in the 100-110 degree range, the NWS said.

Many brave sweltering heat for weekend festivals in Chicago Extreme heat is expected to hit the Chicago area again this week, and some felt the sweltering, humid temperatures on Sunday afternoon.

A two-car crash destroyed a power line Friday in Midwest City, knocking out power to nearby businesses.

UFC CEO Dana White thanked Conor McGregor for sending him a gift box of 'Notorious Cigars', confirming he'll see him in Italy.

The Chicago-area weather forecast included a Heat Advisory for dangerous heat in the area Wednesday and Thursday, a with heat index of 100 to 110.

Chicago sweats it out as heat index reaches 105 degrees An extreme heat warning is in effect until Thursday evening, according to the National Weather Service.

Heat Advisory out for Thursday, so find out how long these oppressive conditions are expected to last, with high heat and humidity around the Tri-State ...

A catastrophic failure of KARE 11's transformer caused a fire that knocked out power and caused the staff to evacuate.

Rain chance moving out, Heat building in! Chief meteorologist Jay Cardosi talks about dropping rain chances the next few days as temperatures start to heat up.

The tree also knocked out power to about 200 customers in the area, according to Appalachian Power. Utility crews are currently on scene. No details were available on when the road would be reopened.

Oleksandr Usyk has scored a fifth-round knockout of Daniel Dubois to become the undisputed world heavyweight champion for a second time on Saturday.