Moisture in Northwest will speed east and produce some flurries along with lake effect snows thru the end of the week. The big story is not only the cold but the wind. Single number temperatures and sub zero by Thursday morning in a good chunk of the Northern third of the Nation.
2nd one - Euro Model for same period. Both models showing coastal storm for East Coast...Canadian more intense. Models also showing an easing to the arctic air Nationwide. Be safe...later.