Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

Frigid temperatures engulfed the South on Monday ahead of a winter storm that’s expected to spread heavy snow and disruptive ...

Officials canceled the parade because of the freezing temperatures expected to blast the Baltimore area in the days ahead.

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

The coldest air of the season will sweep into the province this weekend, courtesy of a polar vortex. It has been a relatively mild winter so far, so this drop in temperature will surely feel like ...

Global News meteorologist Anthony Farnell said the chilly temperatures, caused by a polar vortex spinning across Canada, will “overwhelm” and will start this weekend and carry into next week.

The polar vortex will engulf much of North America as we head into next week, with temperatures dipping down into the -20s and -30s in some Canadian provinces. Even states like the Carolinas, Georgia, ...

When this stratospheric vortex becomes disrupted or stretched, it can distort the jet stream as well, pushing it southward in some areas and causing cold air outbreaks. The Arctic polar vortex is ...

We've already fallen as low as 1° this year. Another dip in the polar vortex makes that possible for Cincinnati again next week. We've already fallen as low as 1° this year. Another dip in the ...

After a nice warm-up and pleasant weather, we turn our attention now to another polar vortex shift to the south that looks to lower our temperatures to below-freezing highs this weekend into parts ...