Southern California is bracing for a prolonged heatwave, with temperatures soaring into the triple digits and significant humidity levels expected throughout the week. The National Weather Service has issued multiple heat advisories and extreme heat watches for regions including Riverside County, Los Angeles, and the Antelope Valley, lasting from Wednesday through Monday. Tropical Storm Elida is anticipated to bring muggy conditions and dangerous surf, further complicating the situation. As locals seek relief at beaches and splash pads, authorities warn of the risks associated with extreme heat, including potential wildfires. While a brief cooldown is on the horizon, the oppressive heat is set to return soon.