Dr. Trevor Lewis, chair of emergency medicine at Cook County Health, advised that anyone going out in extreme heat should ...

Chicago faces an extreme heat watch with temperatures expected to reach mid-90s and heat indexes up to 115 degrees.

Extreme heat blanketed the Chicago area with heat index readings up to 110 on Thursday. Severe storms almost moved through ...

The National Weather Service has issued an Extreme Heat Watch for the entire Chicago area Wednesday and Thursday, when the heat index will feel like triple digits.

The building heat and humidity comes as Chicago's air quality readings early Monday morning were "unhealthy for sensitive ...

A dangerous heat wave has descended on Chicagoland this week, with extreme heat and humidity to persist through Thursday.

Researchers have found that warmer, less dense air lets batted baseballs fly farther — leading to a slight but measurable ...

The heat dome won't dissipate soon. Dangerous heat is expected across parts of the Central and Southeast. through July, the weather service says. High temperatures will reach 100 degrees from Texas to ...

CHICAGO (WLS) -- The Chicago area will go see dangerous temperatures an Extreme Heat Watch Wednesday and Thursday as the heat ...

The 739 deaths in 1995 was the deadliest weather event in Illinois history and redefined Chicago’s emergency response and ...

It’s the hottest time of the year in the United States and another heat dome is about to make millions of people feel every ...

This weekend marks three decades since the deadly 1995 Chicago heat wave that claimed the lives of 739 people over a five-day ...