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.

With another summer heatwave in the forecast, many Southern California residents will be looking for ways to cool off and beat the intense heat. In addition to the beaches, the county has many ...

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

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