...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST SATURDAY ABOVE 7000 FEET... * WHAT...Heavy snow above 7000 feet. Additional snow accumulations of 3 to 13 inches. * WHERE...Areas above 7000 feet near Buffalo Pass, Ganado and Window Rock. * WHEN...Until 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact commutes. Additional snow forecast from noon Today to 5 AM Saturday: Buffalo Pass 10 to 16 inches Ganado 1 to 3 inches Window Rock 1 to 3 inches.