...MAJOR WINTER STORM WILL IMPACT THE REGION SATURDAY EVENING THROUGH SUNDAY EVENING... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will lead to widespread significant snow beginning Saturday evening, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected tonight through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations between 8 and 14 inches, with highest amounts west of the Blue Ridge and especially into eastern WV. Ice accumulations of one to two tenths, mainly south of US-33, and up to one quarter inch of ice accumulation is possible along the Blue Ridge. * WHERE...Portions of central, northwest, and western Virginia and eastern West Virginia. * WHEN...From 7 PM Saturday to 1 AM EST Monday. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. * ADDITIONAL DETAILS...Snow will likely overspread the area by Saturday night, becoming heavy at times with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is expected Sunday, especially south of Interstate 70. Significant icing is possible especially across central Virginia. Visibility of one-quarter mile or less is possible at times. A prolonged period of wind chills in the teens and single digits is likely beginning this evening and lasting through the middle of next week, with sub-zero wind chills possible at times.