CLEVELAND — High above the Arctic, swirling like a giant icy crown, the polar vortex is a permanent feature of our atmosphere ...

From record heat to Arctic collapse, the planet’s climate systems are colliding in ways never seen before. Scientists warn ...

Old Farmer's Almanac has released its Thanksgiving weather forecast. What can Mississippi expect? Compare NOAA, AccuWeather ...

“It looks to be an intense and stormy winter for certain areas of the country, particularly across the Midwest, Great Lakes, Ohio Valley, Northeast and parts of the mid-Atlantic,” AccuWeather Lead ...

The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

It still feels summery in Mississippi with daytime highs in the 80s and relatively high humidity. But nights are getting a hint of a chill, and winter will be here before you know it. The polar vortex ...

The polar vortex is a large region of low pressure and cold air that has always existed around Earth's poles. While the polar vortex is weakening for the season, it does not directly cause winter ...