...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY EVENING... .Snow will develop across the region Friday afternoon and increase in coverage and intensity through the overnight and much of Saturday. Periods of moderate to heavy snowfall likely with snow expected to taper off Saturday evening. ...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY EVENING... ...Heavy snow possible. Total snow accumulations of 2 to 5 inches, localized up to 7 inches over the high plains with 7 to 10 inches, localized up to 12 over the mountains possible ...Southeastern Wyoming including the north and south Laramie Ranges, Snowy Range, and including the Interstate-80 Summit. ...From Friday afternoon through Saturday evening. ...Travel could be very difficult. The hazardous conditions could impact the evening commute.