The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds ...

Wow! Our heat wave continues with record-setting warm lows and scorching daytime high temperatures in the Philadelphia region ...

NEW YORK (AP) — Extensive triple digit heat, broken temperature records and oppressive humidity piled up into a steaming mess ...

It all depends on location, forecasters said, with some seeing cooling as early as Tuesday. But more relief is coming later ...

A long-lasting extreme heat wave reached its dangerous crescendo Tuesday, bringing the hottest day in a decade to some major ...

More than 160 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

A heat dome has settled over the D.C. area, bringing high temperatures and humidity through Friday. High heat clamped down on ...

Substitutes who watch from the locker room, abandoned practice sessions and sweat-soaked jerseys. A heat wave is taking a ...

The temperature was forecast to reach 99 degrees or higher on Tuesday, which could cause some voters, especially older ones, ...

Once the Philadelphia region gets past the heat wave, unstable air returns, and the storm door will open through the weekend.

At least two U.S. states are at an elevated risk of wildfires Tuesday amid "critical fire weather conditions." ...