An early-season heatwave is hitting the eastern US, fueled by the Bermuda High, bringing soaring temperatures and high ...

Philadelphia hit 96 degrees on Monday, breaking the previous high of 94 degrees set on May 18, 1962.

A May heat wave is driving up temps and energy bills. Experts say a small thermostat change now can keep you cool and cut summer cooling costs.

A long-duration heat wave is taking shape over the western half of the U.S. and is forecast to stick around in the days ahead. A high-pressure system in place over the West is keeping ...

Extreme heat is a killer and its impact is becoming far, far deadlier as the human-caused climate crisis supercharges temperatures, according to a new study, which estimates global warming tripled ...

The Philly region is well acquainted with sequences of days with highs in the 90s. Usually they are polite enough to wait ...