"A dangerous, widespread heat wave will bake the central and eastern U.S., bringing the hottest temperatures of the year and uncomfortably muggy air to the Midwest and Northeast that in some areas ...

If you've ever felt totally drained on a hot summer day, even without doing much, you're not imagining it. High temperatures ...

A dangerous, record-breaking heat wave will spread over the eastern United States and is expected to last several days.

Sometimes, heatstroke can start with symptoms of heat exhaustion, which isn't quite as serious as heatstroke but still ...

Newsday meteorologist explains how a heat dome affects Long Island weather, causing temperatures to soar and creating ...

Officials warn of health risks as massive weather system traps sweltering air.