A fresh shot of Arctic air could bring the coldest air of the season for many this week, according to AccuWeather ...

According to a forecast map shared by the agency, the states with the highest probability of seeing below average ...

Currently, forecast models expect cold air to be pushed throughout much of the U.S. from early to mid-January. A powerful polar vortex is set to grip much of the United States next week, as seen on a ...

A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the ...