A Winter Weather Advisory is in effect across the Tusas Mountains through 9 PM tonight. Up to 2 inches of additional snow are forecast above 9,000 ft., with total accumulations of 4 to 8 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.