OVERNIGHT…Partly cloudy late this evening, then clearing. Much cooler with lows in the mid 30s. Southwest winds 5 to 10 mph. THURSDAY…Mostly sunny. A slight chance of sprinkles in the afternoon. Cooler with highs in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. THURSDAY NIGHT…A slight chance of sprinkles in the evening. Mostly cloudy with a slight chance of flurries. Lows around 30. West winds 5 to 10 mph.