Almost 150 million people were under heat advisories and warnings Wednesday morning, as the extreme heatwave that has brought ...

A deadly, record-setting heat wave was continuing to blast most of the eastern U.S. on Tuesday, June 24, forecasters said, with temperatures soaring to near 100 degrees for tens of millions of people.

The first heat wave of the summer hit the Midwest earlier than usual this week, with a heat index forecast of up to 105 F, pushing many indoors to ...