Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

Heat doesn’t just mean canceled events. It also poses a health risk. If you can’t afford to cool the whole house, make a “cool space” to sleep in.

A triple-digit heat wave will arrive in Southern California on Wednesday, affecting inland communities, increasing health concerns. A KCAL News Next Weather Alert is in effect through Friday for the ...

KCAL News has issued a Next Weather Alert for the inland communities on Thursday, as peak heat arrives on the last day of a three-day heat wave.

Southern California braced for critical fire weather and heat-related illnesses as several parts of the region are expected to approach or reach triple-digit heat. Above-normal temperatures are ...

A study released by UCLA on Monday suggests that the world's heat waves are not only increasing in frequency but getting ...

Instacart reports that vanilla remains America's top ice cream flavor, while adventurous choices like pistachio and tropical ...

At least 100 Americans are on alert for dangerous heat and humidity -- stretching from Texas to Maine -- on Friday.

The National Weather Service has issued heat advisories for large parts of Southern California amid a heat wave expected to start July 9.

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 ...

Southern California was feeling the effects of a mini heat wave, with temperatures expected to climb about 5 to 10 degrees above area norms Wednesday and Thursday. The heat spell was forecast to peak ...