Check out more of our winter weather tips Get your best winter coat out, let the car warm up and check the plumbing because the coldest day of the young new year has arrived. With low temperatures in the teens and highs at or just above freezing today and Thursday, Hall County residents can expect the typical seasonal troubles of broken heaters and frozen engine blocks. But a little preparation will go a long way to avoiding the pitfalls of the first winter chill of 2015.