Wednesday will be the 5th and likely final day of New Jersey's record-breaking heat wave, with welcome relief in the forecast.

For Wednesday, the National Weather Service has issued an extreme heat warning for several counties, with heat advisories in effect until 8 p.m. The warning covers an area that includes Franklin, ...

Metro Atlanta can expect stormy weather on top of more scorching, oppressive heat Wednesday.

As triple-digit heat scorches the Eastern U.S., cities are seeing record highs, overwhelmed utilities, and a surge in ...

More than 120 million Americans are on alert for record-breaking temperatures as the first major heat wave of the season sweeps across the U.S.

The final day of a scorching heat wave in South-Central Pennsylvania also brings a chance of severe weather. The WGAL News 8 ...

In a recent study, his team estimated that if the world warms about 1.8 degrees Fahrenheit more, a total area roughly the size of the U.S. could reach temperatures that cross this dangerous threshold ...

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 cooling at night, driven by the humidity.

The heat waves moving in recent days across Canada, the U.S. and northern Europe are part of a dangerous new climate pattern.

Extreme heat makes it especially hard for your body to cool down, so you need to be extra careful if you exercise or play ...

Tens of millions of Americans sweltered outside or sought air-conditioned refuge as an "extremely dangerous" heat wave ...