* WHAT...Significant icing expected. Total sleet accumulations up to one inch and ice accumulations between four tenths and one inch. Winds gusting as high as 40 mph. * WHERE...Portions of northeast Georgia, western North Carolina, and Upstate South Carolina. * WHEN...From 1 PM Saturday to 1 PM EST Monday. * IMPACTS...Ice and snow covered roadways will become treacherous and impassable. Widespread power outages are likely due to the weight of the ice and snow on tree limbs and power lines. The outages could last for days in some areas. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Ice accumulations will rapidly increase late Saturday night and Sunday morning, possibly tapering off by Sunday evening. Treacherous road conditions and power outages will remain Sunday night.