Heat dome will cause dangerously high temperatures in many places across the country this weekend, especially the Midwest and ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect around 255 million people across the United ...

The National Weather Service called the warm and above-average temperatures coming in behind the system "the first ...

An excessive heat warning — the National Weather Service's highest alert — was in effect on Sunday for about 36 million people, or about 10% of the population. From our morning news briefing ...

A coast-to-coast heat wave is bringing abnormally high temperatures to nearly half the United States population. And human-caused climate change is a big reason. According to the Climate Shift ...

(CNN) — High temperatures affect public health across wide swaths of the United ... map shows the latest forecast. A large slice of the American population lives in places that will be subject ...

At least it feels that way, as summer heat has already soared to record highs. In the United States, West Coast residents ... nearly a quarter of the global population of people age 69 and older ...