A Winter Weather Advisory has been issued for Dickson County and most of Middle Tennessee overnight Thursday into Friday morning. The National Weather Service says there is a 70 percent chance of freezing rain, sleet and possibly snow, with a possible ice accumulation of less than a quarter inch. The advisory begins at midnight and extends until noon Friday. The service warns that ice accumulation on power lines and trees could result in power outages while roads might become hazardous, especially bridges and overpasses. Tomorrow’s forecast calls for a low tonight of 23 and a high Friday of 39, with temperatures reaching 50 over the weekend.