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

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

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 ...

‘Mini heat wave’ descends on Southern California Katie Torres cool off her son Augustine Torres in the splash pool at La Pintoresca Park in Pasadena on Wednesday, July 9, 2025.

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