Multiple bursts of increasingly brutal, cold Arctic air will overspread the eastern two-thirds of the country over the next few days, dropping temperatures to dangerous lows by next week.

But the tease of warmth will only make the extreme cold that follows feel more intense. Brutally cold air from Siberia, near the Arctic Circle, will sink south over Canada late this week and rush ...

Back-to-back cold blasts will last throughout much of January. Multiple rounds of frigid, arctic air could sweep across the eastern half of U.S. in the coming weeks, ushering in an abnormally cold ...

Around two-thirds of the country will experience the coldest cold snaps so far this winter, with temperatures reaching dangerously low points. For much of the country, the weather will be making ...