In the coming weeks, cold air will continue for parts of the U.S. thanks to the influence of the polar vortex.
Cold temperatures are expected to last through the end of the month — and forecasters say that there's a potential for snow ...
Morning Overview on MSN
Polar vortex map reveals which states are about to freeze in Arctic air
A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...
Severe winter chill is expected to plunge central and eastern states into below average temperatures as the polar vortex ...
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