Temperatures will plummet by up to 40 degrees this weekend as an arctic blast spreads across much of the U.S., including the Deep South.
Forecasters are warning of a chilly January in Georgia, with the Arctic polar vortex set to push ... parts of the system's icy air could extend deep into the southern United States, including ...
However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where ...