TONIGHT…Mostly clear. Areas of frost after midnight. Lows in the lower 30s. Northwest winds 5 to 10 mph, becoming northeast after midnight. THURSDAY…Widespread frost in the morning. Sunny. Highs in the lower 60s. East winds 5 to 10 mph, becoming southeast in the afternoon. THURSDAY NIGHT…Mostly clear in the evening, then mostly cloudy with a chance of showers after midnight. Not as cool with lows in the mid 40s. Southeast winds 5 to 10 mph, increasing to south 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 40 percent.