TONIGHT…Mostly clear this evening, then becoming mostly cloudy. Much cooler with lows in the mid 20s. North winds 5 to 10 mph. SUNDAY…Partly sunny in the morning, then clearing. Much cooler with highs in the lower 40s. Southeast winds around 5 mph, becoming southwest around 5 mph in the afternoon. SUNDAY NIGHT…Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. Southeast winds around 5 mph.