Weather experts' message: Stay indoors and stay cool. Over the next few days, a heatwave will increase the risk of heat-related illnesses.
"Temperatures [are] soaring well into the 95 to 105 degree range, and this is going to be a time where everyone's going to want to be prepared to spend time in air-conditioned rooms," explained Meteorologist Ariel Cohen from the National Weather Service. "Make sure that you have plenty of water on hand."
He added that the higher temperatures will also impact coastal areas more than usual and increase fire risk.
"We're looking at areas all the way through Camarillo, all the way up through San Luis Obispo. The heat is expected to extend much closer to the coast than it has for earlier heat waves this summer season, making it the most significant heat wave of the year so far," said Cohen.
The heat event looks set to peak on Thursday and Friday. Temperatures will return to near-normal early next week.