In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern ...
This blast of cold weather is due to activity of the polar vortex.
A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...
Jan 17 (Reuters) - A blast of Arctic air is set to cover much of the United States with temperatures ... will be due to a phenomenon called a polar vortex, an upper-level jet stream that typically ...