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

Western Santa Monica Mountains Recreational area, Eastern Santa Monica Mountains Recreational area, Santa Susana Mountains, ...

The National Weather Service has issued a heat advisory as temperatures are expected to be in the triple digits in the Inland Empire.

A triple-digit heat wave will arrive in Southern California on Wednesday, affecting inland communities, increasing health concerns. A KCAL News Next Weather Alert is in effect through Friday for the ...

A mini heat wave is expected to bring triple digit temperatures to some parts of Southern California this week.

Almost 100 million Americans were under National Weather Service extreme heat warnings, advisories or watches on July 23 as a heat dome descened on a swath of the nation and slowly spread East.

Southern California was feeling the effects of a mini heat wave, with temperatures expected to climb about 5 to 10 degrees ...

The National Weather Service has issued heat advisories for large parts of Southern California amid a heat wave expected to start July 9.

The NWS Los Angeles/Oxnard CA issued a heat advisory at 10:34 a.m. on Thursday in effect until 8 p.m. for Santa Lucia ...

Gusty winds, warm temperatures, and low humidity will elevate fire weather danger in mountainous and interior regions.