Southern California Weather Shifts from Light Rain to Heat Wave for Mother’s Day

Mon, 04 May 2026 19:28:00 +0200

Southern California will experience a notable weather transition this week. Early in the week, light drizzle and cloudy, cool conditions are expected across the region, particularly in the eastern San Gabriel Mountains, Central Coast, and parts of San Diego and Orange counties. Rain totals will be minimal, generally under a quarter of an inch, with many areas seeing little to no rainfall. Monday’s highs will remain below average, with downtown Los Angeles and Burbank reaching only 67°F, while other coastal and inland areas see highs ranging from the mid-60s to low 70s. Mountainous regions may experience isolated thunderstorms and even snow in Mono County passes, while the Bay Area could see light rain and drizzle. By midweek, temperatures will rise sharply, culminating in a potential heat wave for Mother’s Day weekend. Downtown Los Angeles could reach 90°F, with neighboring valleys hitting 100°F. Inland and desert areas will face even higher temperatures, prompting moderate heat-relate