Southern California is grappling with an unprecedented heat wave, marked by record-breaking temperatures for March. The National Weather Service has issued an extreme heat warning for inland areas and a heat advisory for coastal regions, effective through Friday. Temperatures have soared into triple digits in multiple locations, with Palmdale, Lancaster, and Paso Robles setting new all-time March records at 92°F, 93°F, and 95°F, respectively. Indio and Thermal recorded a scorching 107°F, while Palm Springs reached 105°F.