Heat warnings remain in effect for the two counties until Saturday night, with a slight chance of thunderstorms.

Forecasters are expecting a prolonged and potentially dangerous heat wave over the next few days, raising health concerns. Here's how Southern Californians can stay cool.

A red flag warning is in effect for the Los Angeles and Ventura County foothills through Saturday night. The high-pressure system driving this heat wave will not only persist over the region for a prolonged period, but is also expected to be “stronger ...

A Next Weather Alert has been declared for much of Southern California because of a late-summer heat wave. It will go into effect on Wednesday and last through Saturday.

Some emergency room doctors and nurses who are versed in climate change want more recognition of the ways overheating can precipitate ER visits for heart, respiratory and kidney disease.

Another day of triple-digit temperatures will bake some parts of the Los Angeles area Friday as a late-summer heat wave stretches into the weekend.

Extreme heat is baking Southern California as the most dangerous heat wave of the summer pushes temperatures well intro triple digits for much of the region. The heat, along with extreme drought and gusty conditions,

Temperatures will hit the triple digits in parts of the Southland starting Wednesday, Aug. 20, with the Woodland Hills neighborhood of Los Angleses in the San Fernando Valley hitting 109 F on Thursday, Aug. 21. – according to a National Weather Service forecast.