As an arctic blast sweeps across the northern Plains, Midwest, and Great Lakes, parts of the region remain on alert for lake-effect snow that is creating near-whiteout conditions. Millions are facing dangerously cold temperatures and wind chills that could plunge as low as -40 degrees. With temperatures drastically dropping, travelers are being warned of icy roads just in time for the Thanksgiving weekend, adding to the challenges posed by heavy winter weather. The cold front is expected to dominate the weather patterns into early December, bringing brutal temperatures and disruptive conditions across various states. As the holiday approaches, chilling conditions and snow are significantly affecting travel and daily life.