NWS Forecast Office San Diego, CA

Slightly cooler than Wednesday. High temperatures for Thursday for the coastal areas: 63 to 68, western valleys and inland Orange County: 68 to 72, inland valleys: 68 to 76, mountains between 4000 feet and 7000 feet: 59 to 70, high desert: 76 to 81, low desert: 86 to 91.

There is a slight chance of showers and thunderstorms for Thursday afternoon for the San Bernardino County mountains and adjacent deserts.

Areas of stronger and gusty southwest to west winds for the mountains and deserts for Saturday afternoon and night with gusts to 40 to 50 mph. In the northern Coachella Valley below the San Gorgonio Pass, there will be isolated gusts to 65 to 75 mph. Winds will continue through Sunday and Sunday evening, but not be quite as strong.

Another weather system will drop down from the Gulf of Alaska, bringing cool, gusty and wet weather to Southern California. Rain may start as early as late Saturday with the highest chance for precipitation during the day Sunday, tapering off Monday. Totals are expected to be near 0.1" across the lower coastal basin, though slightly less for Orange County. There is a possibility for thunderstorms due to the cold upper level air with this system. Stay tuned in the coming days for more details.