The heat index reached 106 Saturday and an extreme heat warning is in effect until Monday, according to the National Weather ...

As Chicago faced its first heat wave of the summer season, animals at the Lincoln Park Zoo beat the heat with some cool ...

A total of 60 opioid overdoses were reported Friday and Saturday — including more than 37 on Saturday alone — triggering the ...

Health officials told ABC7 the hot temperatures may be to blame, at least, in part. As the temperatures soared this past ...

Three hospitals in the Chicago area have had problems with air conditioning as a dangerous heat wave has affected the region ...

Chicagoans can expect intense heat compounded by muggy humidity for the next several days. The National Weather Service has ...

For several days, the Chicago area has been gripped by scorching temperatures and suffocating humidity, but is relief finally ...

Record-breaking heat indices — a combination of temperatures and humidity to determine how heat really feels to the body — are possible from Kansas City to Maine.

People are beating the heat wave in Chicago the best way they know how -- jumping into the city pools -- on Monday afternoon.

Widespread 90s, even perhaps a few 100s, will bake much of the eastern two-thirds of the country in a dangerous heat wave.

Chicago faces a severe heatwave with highs near 96°F, a heat index around 105°F, and winds up to 40 mph this weekend.

Officials in south suburban Park Forest said management of apartment buildings that have been without air conditioning for several days amid an ongoing heat wave have been working to fix the problem.