Millions face dangerous heat as a powerful heat dome pushes temperatures to 118 degrees.

High odds warm waters persist off California, with El Niño increasing risks to marine life and fisheries through 2026.

Workplace safety regulators urge companies to provide water and rest breaks as temperatures climb toward 100 degrees.

What do forecasters’ extreme heat alerts actually mean? LAist explains.

California is about to get an early taste of summer — as a brutal early-season hate wave is set to envelope the Golden state. Forecasters are warning temperatures could soar 20 to 30 degrees above ...

Elevated temperatures are expected to linger into next week across Southern California, bringing the possibility of renewed ...

Interior Alameda, Contra Costa, Napa, and Sonoma Counties bring summer warmth as coastal cool temps reign with strong waves & ...