Forecasters say isolated thunderstorm cells could become strong enough to produce small hail and wind gusts that could topple ...

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

Harford County is opening 11 cooling centers for those looking for a reprieve from the extreme heat in Maryland this week.

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 New Castle County lasting through June 25. See how hot ...

The Lehigh Valley and much of eastern Pennsylvania are under an extreme heat warning with temperatures near 100 degrees ...

Temperatures and humidity are climbing as the tri-state heads into a possibly record-shattering heat wave, where it could ...

People experiencing homelessness are particularly vulnerable to the health ramifications of extreme heat, which is worsening ...

Multiple records were broken. Scientists issue warning after heat wave in one of world's coldest places: 'Steroids for ...

Philadelphia is under an extreme heat warning with heat index values up to 105 degrees, advising residents to stay cool and ...

With New York under an extreme heat warning, the Mets took extra precautions Monday. Those included a later report time for ...

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