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

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.

L.A. County is warning residents to prepare for a severe heatwave and take protective measures against heat-related illnesses.

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.

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.

LOS ANGELES (AP) — A dangerous, multiday heat wave descended on much of California and the U.S. Southwest, with near-record temperatures expected along with a higher risk of wildfires.

State firefighting resources have been deployed in Los Angeles County ahead of a heat wave expected to increase fire damage across Southern California through the weekend.

As a result, Bass said she has directed the Los Angeles Fire Department to pre-deploy crews, engines and other resources ahead of the heat wave. More than 150,000 brush inspections have been completed, she said.