The polar vortex could bring a cold blast to millions across America in the second half of March, AccuWeather said in a media ...

The same storm forecast to bring feet of snow to the Sierra Nevada at midweek will gain strength when over the central United ...

The polar vortex could be reversing in a sudden stratospheric warming event, with the potential to send Arctic air and storms ...

AccuWeather long-range forecasters are warning that a significant shift in the weather pattern could bring a blast of frigid ...

Winter weather lingers as a major shift in the weather pattern could have millions across the United States once again ...

Winter isn't over just yet. A major shift in the weather pattern could have millions across the United States once again ...

Winter 2013-14 was one of America's coldest this century. That left the Great Lakes more ice covered than all but one other ...

A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge ...

Learn more about polar vortex collapse - the weather phenomenon likely to cause cold snap across much of UK in coming weeks ...

Following more wintry weather from storms this weekend in the Midwest and Northeast, warmth will build and expand over the central and eastern United States next week. However, Accuweather's ...

A 'polar vortex collapse' is set to plunge the United States back into the frigid weather much of the country suffered ...