* WHAT...Heavy snow expected. Total snow accumulations between 3 and 8 inches except 16 to 24 inches above 9,000 feet in the Sacramento mountains. * WHERE...Eastern Lincoln County, South Central Mountains, Curry County, Roosevelt County, Chaves County Plains, and Southwest Chaves County. * WHEN...Until 11 AM MST Sunday. * IMPACTS...Travel will become very difficult. Tire traction will be reduced. Extend the distance between your vehicle and the vehicle in front of you. * ADDITIONAL DETAILS...Dangerously cold temperatures will also accompany this winter storm. Temperatures will be coldest Sunday and Monday mornings when wind chills will drop below zero.