Heat is the number one killer -- and it’s heading to the most densely populated part of America for a prolonged period.

The first major U.S. heat wave of the year starts on Friday. It brings dangerously high temperatures and is expected to last ...

By the weekend, large swaths of Britain are expected to tip into an official heat wave, with temperatures surging well above ...

A wild stretch of weather is expected to engulf the NYC area in the coming days, bringing a mixed bag of heavy rain, ...

It was only a matter of time before a long-lived heat wave would develop in the Midwest and Northeast. This one could last ...

According to the FOX Forecast Center, a stout ridge of high pressure will move eastward across a large swath of the country, ...

Extreme heat warnings are in effect across Arizona and Nevada, raising concerns for children's health. Heat advisories span ...

A strong heat dome is expected to push into the Ohio Valley on Saturday and move into Upstate New York on Sunday and Monday.

A punishing heat wave in the Southwest is set to spread east in the coming days, with temperatures over 90 degrees Fahrenheit expected in the Northeast and possible record highs in parts of New ...

A dramatic pattern shift will occur as a ridge of high pressure builds across the Great Plains Thursday and Friday — the ...