But it's not just about a number on a thermometer: The USA's ongoing heat wave has also been deadly. At least 30 fatalities across the West this month are suspected to be related to extreme heat ...

A heat wave was expected to bring record-high temperatures to the midwestern United States this week before spreading to the East Coast, forecasters said. At the same time, a bout of severe ...

A weeklong heat wave has incinerated multiple temperature records in the West, subjected millions of people to unrelenting sweltering conditions and caused dozens of deaths. More than 50 cities in ...

A searing heat wave that has gripped much of the United States in recent days is suspected of killing at least 28 people in the last week, according to reports from state officials, medical ...

Heat alerts are in effect for 16 states from Maine to Kentucky as the dangerous heat wave continues. Boston and Manchester, New Hampshire, both reached a record high of 98 degrees on Wednesday.