TONIGHT…Partly cloudy this evening, then mostly cloudy with numerous showers and scattered thunderstorms after midnight. Lows in the upper 50s. South winds around 10 mph. Chance of rain 70 percent. SUNDAY…Mostly cloudy. Showers and scattered thunderstorms in the morning, then scattered showers with isolated thunderstorms in the afternoon. Cooler with highs in the mid 60s. Temperature falling into the mid 50s in the afternoon. South winds 10 to 15 mph, becoming west 15 to 20 mph in the afternoon. Chance of rain 80 percent. SUNDAY NIGHT…Isolated thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Much cooler with lows in the lower 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.