About 33 million people, almost 10% of the country, will feel blistering 100-degree heat on June 24, meteorologist Ryan Maue ...

A life-threatening heat wave has enveloped the East Coast, hitting cities with the worst of the high temperatures on Tuesday ...

After one of the warmest June mornings in records dating to 1872, Philadelphia may experience its first 100-degree reading in ...

An extremely dangerous heat wave is underway for the eastern half of the United States, with Tuesday expected to bring peak ...

Those triple-digit air temperatures — with the feels-like index even worse because of humidity — are possible in places where ...

A long-lasting extreme heat wave is reaching its dangerous crescendo Tuesday, likely bringing the hottest day in a decade to some major East<a class="excerpt-read-more" href=" More ...