Lancaster County is under a winter storm warning from 2 a.m. until 5 p.m. Wednesday, according to the National Weather Service. The highest amounts of snowfall predicted are in parts of Lancaster and Chesterfield counties nearest to the North Carolina state line. Total snow accumulations of up to 2 inches are expected. According to the NWS press release, a dusting of snow is possible over the Central Midlands, with slightly higher amounts of an inch or less possible across the northern Midlands.