A long-lasting extreme heat wave is reaching its dangerous crescendo Tuesday, bringing the hottest day in a decade to some ...

A “heat dome” of high pressure has settled in over the central and eastern U.S., sending temperatures soaring into the 90s in ...

A life-threatening heat wave has enveloped the East Coast, hitting cities with the worst of the high temperatures on Tuesday ...

NEW YORK (AP) — Extensive triple digit heat, broken temperature records and oppressive humidity piled up into a steaming mess ...

Heat waves like this one can put people at risk of heat exhaustion or the even more serious condition of heat stroke.

The sprawling June heat wave that has gripped much of the U.S. has people looking for relief in public fountains, inflatable ...

More than 150 million people in the eastern U.S. are under heat alerts as of early Tuesday - including about 75 million under ...

Extreme heat warnings and heat advisories remained in place all the way from St. Louis to Boston on June 24, the National ...

Tuesday’s heat came on top of 39 new or tied heat records Monday. But just as dangerous as triple-digit heat is the lack of ...

During a heat wave, it is crucial for people to cool down at night to reduce their core body temperature and reduce the ...

An extreme heat warning will remain in effect through Wednesday before temperatures cool off a little toward the end of the ...