A triple-digit heat wave arrives in Southern California on Wednesday, affecting inland communities, increasing health ...

Big changes [are] coming ... as high pressure over Arizona expands west into Southern California,' the weather service warns.

LOS ANGELES (KABC) -- The first heat wave of the summer arrives in Southern California this week, bringing triple-digit heat to many areas. Temperatures will rise to the 90s and ...

Much of Southern California has been placed under a heat advisory on Tuesday as the first day of a four-day heat wave arrives. A ridge of high pressure will result in an extended period of ...

UCLA researchers have released an alarming new finding — the duration of heat waves is increasing faster than global warming ...

Southern Californians are in for a “mini heat wave” this weekend, with temperatures soaring between 10 to 20 degrees above normal for some parts of the region. It’s prompting heat advisories ...

Early-season Southern California heat wave results in dozens of rescues. Other rescue operations were conducted in nearby Arizona, where one person passed away ...

A moderately strong heat wave is taking shape inland, but its reach will be uneven and the coast may barely feel it at all.