TONIGHT…Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly this evening. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 40 percent. SUNDAY…Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 80. East winds 5 to 10 mph. Chance of rain 30 percent. SUNDAY NIGHT…Mostly cloudy with a slight chance of showers and thunderstorms. Cooler. Less humid with lows in the lower 50s. Northeast winds around 10 mph. Chance of rain 20 percent.