TONIGHT…Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Not as cool with lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 20 percent. SUNDAY…Cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. SUNDAY NIGHT…Showers likely. Thunderstorms likely, mainly in the evening. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.