...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM MDT SUNDAY... .TONIGHT...Mostly cloudy with a chance of snow early in the evening, then mostly cloudy with a slight chance of snow during the late evening hours. Partly cloudy after midnight. Lows 12 to 18. Northwest winds 10 to 15 mph. Chance of snow 30 percent. .SUNDAY...Partly cloudy in the morning, then mostly cloudy with a 40 percent chance of snow in the afternoon. Highs in the upper 30s. .SUNDAY NIGHT...Snow showers likely. Snow accumulation of 1 to 3 inches. Lows 18 to 22. East winds 10 to 15 mph with gusts to around 25 mph. Chance of snow 70 percent. .MONDAY...Snow showers likely. Snow accumulation up to 3 inches possible. Highs in the lower 30s. North winds 15 to 25 mph with gusts to around 40 mph. Chance of snow 70 percent. .MONDAY NIGHT...Partly cloudy with a 10 percent chance of snow showers. Lows 10 to 14. West winds 10 to 15 mph with gusts to around 35 mph. .TUESDAY...Mostly sunny. Highs in the lower 40s. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 18 to 22. Highs 43 to 51. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower to mid 20s. .THURSDAY...Partly cloudy. Highs 54 to 62. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain and snow showers. Lows in the mid 20s. .FRIDAY...Mostly cloudy with a 20 percent chance of snow showers. Colder. Highs in the mid 40s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s. .SATURDAY...Mostly sunny. Highs in the upper 50s.