* WHAT...Damaging icing expected. Total snow and sleet accumulations up to one inch and ice accumulations mainly between one half and three quarters of an inch. Locally higher ice amounts possible, especially across the South Carolina foothills. * WHERE...The Piedmont of North Carolina, Upstate South Carolina, and northeast Georgia * WHEN...From 1 PM this afternoon to 1 PM EST Monday. * IMPACTS...Significant ice accumulation on power lines and tree limbs may cause widespread and long-lasting power outages. Trees and large limbs could fall on structures, posing threat to life and property. Ice and snow covered roadways will become treacherous and impassable. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Ice accumulations will rapidly increase late Saturday night into Sunday morning, possibly tapering off by Sunday evening. Treacherous road conditions and power outages will remain Sunday night and likely linger through at least Monday.