A sudden, dramatic shift in temperatures high in the atmosphere will dance with the La Niña weather pattern. There won't be a clear winner.

The polar vortex is expected to bring an average winter season this year, with the potential for cooler temperatures and more ...

A high-pressure system in the Arctic could push frigid air south starting in mid-December, raising hopes for a white ...

Watch my girlfriend’s animated reaction to Let Me Explain Studios Part 2. Full of laughs, surprises, and honest commentary ...

The "polar vortex" talk becomes really popular each year. It usually doesn't start to surface until the winter season, but this season the eastern U.S. is getting a shot of frigid air as this infamous ...

An unusually strong disruption in the upper atmosphere is setting the stage for a winter pattern that could lock much of the ...

As the UK goes through a cold snap this week - forecasters have suggested that more Arctic air could be brought to Britain ...

A meteorologist is warning Ontarians to prepare, as an extreme atmospheric warming event will be bringing severely cold ...

The National Weather Service's Climate Prediction Center says a La Niña event could affect winter in Indiana, and the polar ...

The Finnish Meteorological Institute (FMI) has issued a traffic weather warning for Sunday covering North Savo, North Karelia, Kainuu and the western parts of North Ostrobothnia. Snow and sleet are ...

Forecasters are expecting a weakened polar vortex to bring cold air after Thanksgiving. An uncommon occurrence at this time ...