A cold front will continue to slide across the state of Wyoming for the rest of today and into Saturday morning.  Expect cloudy to mostly cloudy skies, breezy to gusty winds, and noticeably colder temperatures statewide.  Daytime highs will stay in the 20's and 30's, with some lower 40's possible in southeastern portions of the state.  Light snow is expected during the day across northern, central, and western parts of the state, while snow will not develop in southeastern Wyoming until the late afternoon and evening hours.  Snow will continue throughout the state overnight into Saturday morning, with only small accumulations expected.  Slick and icy roads with some areas of reduced visibility are likely statewide, including all of I-25, I-80, and I-90.  A strong colder front will move into the region by mid-day on Saturday.  Expect increasing light to moderate snowfall for the rest of Saturday and into Sunday morning.  The highest impacts will be in the state's mountains and lower elevations of southeastern Wyoming, with 4-8" of new snow expected.  Poor visibility, hazardous driving conditions, and some areas of blowing/drifting snow will be possible across I-25 (Colorado state line to Wheatland), I-80 (Nebraska state line to Rawlins), and US-85 (Colorado state line to Torrington) Saturday afternoon through Sunday morning.  Elsewhere, expect smaller amounts with slick, icy roads and some areas of blowing snow and reduced visibility.  Temperatures will also be significantly colder and well below average for the start of the weekend.  Snow will begin to taper off in northern and central Wyoming by Sunday afternoon, but light snowfall will continue for far southern Wyoming into Sunday night.  Bitterly cold temperatures will then arrive on Sunday.