Over 140 million Americans will be under the highest-level extreme heat alerts by Sunday during a wave of above-average ...

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

A widespread heat wave is poised to engulf the central and eastern United States, potentially impacting 170 million people.

A significant and intense heat wave is set to engulf the central and eastern United States, delivering the highest ...

Much of the country is facing brutal, potentially deadly heat. The reasons for such extreme events are not complicated.

Heat is the top cause of weather-related deaths in the United States, according to the Centers for Disease Control. As the ...

It won’t take long for the heat levels to ramp-up on Saturday. The hottest weather will be over West Alabama, where heat ...

The first heat wave of summer could bring punishing humidity and triple-digit temperatures to many states east of the Rocky ...

New Hampshire Secretary of State David M. Scanlan co-hosted a naturalization ceremony with U.S. Citizenship and Immigration ...

For many Americans, high humidity will make it feel in the triple digits. The National Weather Service is urging people to ...

A dangerous heat dome is forming over the mid-Atlantic and is expected to intensify through next week, bringing Baltimore its ...

The moisture evaporating from the moist ground will add to the already humid atmosphere and make for junglelike conditions ...