TONIGHT…Mostly cloudy. Cooler with lows in the upper 30s. North winds 5 to 10 mph. TUESDAY…Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 50s. North winds 5 to 10 mph. Chance of rain 30 percent. TUESDAY NIGHT…Partly cloudy with a slight chance of sprinkles in the evening, then clear after midnight. Widespread frost after midnight. Lows in the upper 20s. North winds 5 to 10 mph.