An excessive heat warning for the deserts will be in effect Monday after record temperatures were reported in many parts of San Diego County on Sunday, according to the National Weather Service.

SAN DIEGO, CA — An excessive heat warning is in effect for parts of San Diego County as well above average high temperatures ...

Nearly a week after tropical storm Hilary made landfall, rising temperatures across Southern California have prompted excessive heat warnings with ... communities in the San Fernando Valley ...

A woman hiking in Southern California has become the latest to die on a trail as the US experiences a period of intense summer heat. San Diego ... during an excessive heat warning.