OK,so far this winter, it has been relatively across much of the US, but, change is on the way. The computer models put the polar vortex, where the cold air flows to, over the great Lakes. Also, arctic -70F air is seeping into Alaska from Siberia. This cold air will flow towards the polar vortex, and will continue, going into the US. Areas from Oklahoma could see extremely cold air, with highs in Nebraska around 5F and lows around -15F some days. New York could see one of the coldest moths on record, with multiple days having highs below 0F. It is still a little too early to tell, but if this verifies,many places in the US would experience their coldest February ever.