In major cities such as Washington, D.C., Baltimore, Philadelphia and New York, the temperature was forecast to approach 100 ...

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

An intense and nearly historic weather pattern is cooking much of America under a dangerous heat dome this week with triple-digit temperatures in places that haven't been so hot in more than a decade.

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