OVERNIGHT…Partly cloudy. A slight chance of rain and snow showers this evening. Lows in the lower 20s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of precipitation 20 percent. THURSDAY…Mostly sunny. Highs in the upper 30s. West winds 5 to 10 mph. THURSDAY NIGHT…Partly cloudy. Lows in the mid 20s. Southwest winds 5 to 10 mph.