REST OF TONIGHT…Mostly cloudy with a chance of sprinkles late this evening, then partly cloudy. Patchy frost. Much cooler with lows in the lower 30s. Northwest winds 10 to 15 mph. SUNDAY…Areas of frost in the morning. Sunny. Highs in the upper 50s. Northeast winds around 5 mph, becoming south in the afternoon. SUNDAY NIGHT…Mostly clear in the evening, then mostly cloudy with a slight chance of showers after midnight. Not as cool with lows in the mid 40s. South winds 5 to 10 mph. Chance of rain 20 percent.