Enjoy the sunshine today, because by tomorrow night a cold Pacific storm from Alaska will make its way to San Diego, bringing showers, thunderstorms and snow in the mountains.
Forecasters say rainfall amounts will total less than an inch near the coast and from one- to two- inches in the mountains and vallleys.
Temperatures on Thursday will drop 10 to 15 degrees below average, according to a National Weather Service advisory.
The snow level Thursday should fall to around 4,000 to 4,500 feet, with several inches of snowfall possible above 5,000 feet, according to NWS.
Temperatures today are expected to be in the mid-60s near the coast, high 60s to low 70s inland, high 50s to high 60s in the mountains, and low 70s in the deserts.