A rare stratospheric event is forecast to unleash bone-chilling air from a weakening vortex across the US and New England, ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

A harsh drop in temperatures is being delivered to the eastern two thirds of the U.S. thanks to a polar vortex dipping down ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...