A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...

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

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...

Brace Yourself for a Chilling Start to 2025!As we step into the New Year, the polar vortex is making headlines again. This ...

This system has the potential to evolve into a major winter weather ... unusually cold air in the Northern Hemisphere will move into the Plains and Midwest this weekend as the polar vortex lobe ...

Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout ...

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

During winter, the polar vortex at the North Pole can loosen up and expand, sending cold air south and causing outbreaks of chilling cold weather into the U.S. The worst of the cold temperatures ...