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

Inland valley and mountain locations in San Diego are under a Heat Advisory while deserts are under an Extreme Heat Warning.

As of 2 p.m., inland valley locations such as El Cajon, Ramona and Escondido, and mountains communities like Julian and Pine ...

In Rancho Bernardo, Bill Howe crews were spotted installing a heat pump system to replace a 16-year-old unit. The HVAC ...

San Diego County officials are urging residents to stay cool as a Heat Advisory and Extreme Heat Warning impact parts of the region.

Desert areas are expecting a heat wave to hit its peak in the region on Wednesday and Thursday.

San Diego braces for a notable heatwave in the coming week with a brief cooldown before temperatures rise again.

Starting at 10 a.m., a Heat Advisory will take effect for San Diego County’s inland areas and mountains, while an Extreme Heat Warning will be in effect at 10 a.m. for the county’s desert communities ...

Starting Tuesday, inland temperatures will begin to rise, with the warmest conditions expected Wednesday and Thursday.

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