Forecast for this afternoon:  Mostly sunny, with a high near 78. West wind around 10 mph.  Tonight:  A chance of showers and thunderstorms.  Increasing clouds, with a low around 55. West wind 5 to 10 mph.  Chance of precipitation is 50%. Tuesday:  A 30 percent chance of showers, mainly before 8am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Northwest wind 10 to 15 mph.