Forecasters warned that seniors and those with chronic health problems faced increased heat risk. Meanwhile, a disturbance was swirling in the Gulf.

Extreme heat in Europe has been blamed for hundreds of deaths, a national monument has been shuttered in Greece and millions ...

More than 100 million people in the U.S. are under an excessive heat warning or a heat advisory Wednesday, according to the National Weather Service. This comes as a dangerous heat wave continues ...

Tens of millions of Americans were under heat warnings early Friday as record temperatures scorched the Southwest a day prior.

AUSTIN, Texas (AP) — Summer heat scorched Texas and the Southwest on Wednesday, pushing Phoenix to nearly 90 consecutive days of triple-digit temperatures and putting millions of people under ...

Extreme heat alerts continued for tens of millions of people in the United States on Tuesday as cities, including Chicago, broke records at the start of a week of sweltering weather.Video above ...

Millions of Americans across 20 states had extreme heat warnings and heat advisories in place as of early Tuesday, with the ...

Nearly a quarter of Americans will be under an extreme heat warning Tuesday as weather officials warned some areas in the Northeast and Midwest could see record-breaking temperatures in the region ...

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

More than 37 million Americans were under heat advisories across much of the central part of the United States. Over 20 million are under extreme heat warnings.

Excessive heat warnings are in place for millions across California and southern Nevada, plus parts of Arizona, Washington and Oregon.