Another blast of arctic air will invade the U.S. this week, dropping temperatures 15 to 20 degrees below average. Check out how cold it could get where you live.

Blasts of Arctic air are poised to bring below-average temperatures to much of the central and eastern U.S. throughout the ...

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.

Forecast models also suggest the Arctic air is here to stay through the middle of January, with below-average temperatures across the eastern half of the nation, according to the Climate ...