Here comes the cold air as December from the Rockies to the East Coast looks very cold. As the Ohio Valley and Great lakes could be the coldest since the year 2000. With an active southern track that will likely produce accumulating snow by the end of the year. In such places as Abliene, Texas to Dallas to Shreveport, La to Birmingham, Al to Atlanta, Ga. The Arctic air arrives late next week with a possible winter storm from Texas to the East Coast.