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.

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

Severe weather is possible Tuesday and Wednesday, along with the extreme heat warning in western Pennsylvania.

The typically warmer areas of the state have slightly higher heat alert criteria. In the lowcountry and midlands, a the lower ...

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