Mercer County, NJ: Winter Storm Warning now in effect from noon Wednesday to 10 Am Thursday. Heavy mixed precipitation expected. Total snow and sleet accumulations of 6 to 12 inches. Winds gusting as high as 35 mph. Portions of central, northern and northwest New Jersey and southeast Pennsylvania. Travel could be very difficult to impossible. The hazardous conditions could impact the evening commute on Wednesday and the morning commute on Thursday. The heavy snow could result in power outages. Snow will move in from southwest to northeast Wednesday afternoon and early evening. The snow could become heavy at times Wednesday evening. The snow will likely mix with and change to sleet late Wednesday evening and Wednesday night, before ending as a period of snow on Thursday morning.