TONIGHT…Partly cloudy this evening, then becoming mostly clear. Lows around 50. West winds 5 to 10 mph, becoming southwest after midnight. TUESDAY…Sunny. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. TUESDAY NIGHT…Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Not as cool with lows around 60. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.