...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT SUNDAY... .TONIGHT...Snow showers. New snow accumulation of 2 to 4 inches. Lows around 18. .SUNDAY...Mostly cloudy with a 50 percent chance of snow showers. Highs in the lower 30s. North winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear. Lows 5 to 8. .MONDAY...Sunny. Highs 39 to 45. West winds 10 to 15 mph with gusts up to 20 mph. .MONDAY NIGHT...Mostly clear. Lows around 13. West winds 10 to 15 mph with gusts up to 20 mph. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 40 to 46. Lows 19 to 23. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 53 to 61. Lows in the 20s. .THURSDAY...Mostly sunny. Highs in the lower to mid 60s. .THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy. Lows in the lower to mid 30s. Highs 64 to 70.