Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.
A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...
A prolonged blast of bitter cold is forecasted to firmly lock Toronto in winter’s grasp for the rest of the month, as a polar vortex brings on a deep freeze to the Greater Toronto Area.
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