"The level and extensiveness of the frigid air may be tough to match the rest of the winter," forecasters warned.
The presidential inauguration ceremony will take place on what could be the coldest inauguration day since 1985.
It's been a cold January for much of the U.S. David L. Ryan/The Boston Globe via Getty Images ...
Arctic Air & Snow Return Sunday Arctic air is expected to make a comeback Sunday. High temperatures will struggle to reach the mid-30s under overcast skies. A wave of low pressure is likely to ...