TONIGHT…Mostly clear. Widespread frost after midnight. Lows around 30. Northwest winds 5 to 10 mph. WEDNESDAY…Widespread frost in the morning. Sunny. Highs in the upper 50s. West winds 5 to 10 mph. WEDNESDAY NIGHT…Mostly clear. Areas of frost after midnight. Lows around 30. Northwest winds 5 to 10 mph, becoming northeast after midnight.