More than 40 million people in the U.S. were under heat alerts Friday, according to the National Weather Service.

Friday and Saturday will be days to be cautious outdoors in Northern California, especially with anything involving open ...

Remarkable contrast, once again, between near-record warmth inland & mountains but near or cooler than average coast in May-June ...

The City of Chicago has released the following information about cooling centers available during the upcoming heat wave: ...

U.S. President Donald Trump touted a "big win" over California Governor Gavin Newsom Thursday night when a federal appeals ...

A sprawling high-pressure system, also known as a heat dome, is settling over the U.S. during the first full week of summer, ...