As predicted here ten days ago, portions of all of the Lower 48 states are below 32 deg. F at 6 a.m. EST this morning (animation here):

Surface temperature and wind patterns at 6 a.m. January 7, 2017.

The spatial average temperature over the Lower 48 at 6 a.m. is 11 deg. F, which is fully 9 deg. (!) colder than at any time last winter (20 deg. F) which occurred twice in January of 2016.