A family of 11, including six children, was rescued off the Holbert Trail on South Mountain in Phoenix during a hot summer ...

As a heat wave hits multiple U.S. states, some areas are have been placed under extreme heat watches and warnings.

San Diego faces hot weather with temperatures expected to surpass 110F, heightening the risk of heat-related illnesses.

The National Weather Service issued an extreme heat warning for a second day as the heat index surpasses 100. See how hot it ...

The organization announced it will open 10 stations in the Valley where anyone in need can go for indoor cooling and ...

Each local National Weather Service office issues 3 different heat alerts to classify the appropriate level of risk posed by ...

NYC and the surrounding area could face their first heat wave of the season next week, as the first day of summer arrives.