Tens of millions of people across the Midwest and East are enduring another sweltering day of dangerously hot temperatures as ...

The Painesville Electric Plant will generate power from June 23-25 to counter potential cost increases during the heat wave, the city announced in a news release. The city said power costs often ...

Extreme humidity and heat will affect about 265 million people across the country this week. Maps show where and when to ...

A multiday heat wave is bringing high temperatures and health risks from the Midwest to the Northeast, prompting warnings and ...

As the official start of summer arrives, the United States is being hit by a dangerous heat wave, making this the first ...

More than 150 million Americans are under the highest-level extreme heat alerts during a wave of above-average temperatures.

Cities across the eastern and central United States are bracing for more days of extreme temperatures as a unusual June heat ...

Temperatures are expected to soar into the upper 90s between Sunday and Wednesday, and the heat indices could exceed 100, putting sensitive groups at risk.

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

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

High temperatures across the Plains, Midwest, Mid-Atlantic and Northeast are expected to hit at least 15 degrees above normal ...

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