A Winter Weather Advisory is in effect across the Tusas Mountains from midnight tonight to 9 PM MST Saturday. Snow is expected above 9000 feet, with accumulations generally between 3 to 6 inches. Travel could be very difficult on U.S. Highway 64 between Tres Piedras and Tierra Amarilla. Tire traction will be reduced. Extend the distance between your vehicle and the vehicle in front of you.