Phoenix is gearing up for another stretch of extreme heat after a short reprieve due to monsoonal moisture, according to the National Weather Service. Temperatures will climb back to 110 and above by ...

PHOENIX – The ongoing extreme heat warning for metro Phoenix has been extended by another day, but that’s not the biggest weather news of the week. The real headline-grabbing development is the ...

Millions in Southern California are facing extremely warm temperatures in the upper 90s this week amid a late October heat ...

The summer heat can be tough on anyone’s body and mind — but the stakes are higher for seniors. Extreme heat may speed up "biological aging" in older individuals, raising concerns about its impact on ...

The Southwest is in for peak dog days as a looming heat wave has triggered extreme heat warnings and advisories for 80 million people from the U.S.-Mexico border to southwest Utah. “An anomalously ...

A heat wave can turn a classroom without proper cooling into an oven. Excessive heat can interfere with the learning process of any child—but in the U.S., the students who are most affected are ...