Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

The first cold wave will reach the East Coast on Thursday, followed by another surge of frigid air this weekend and more next ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the ...

A southward plunge of the polar vortex in January 2025 gripped the Midwest in unrelenting cold, with Chicago temperatures ...

And it won’t just feel cold: A series of clipper storms is also expected to bring snow to the region beginning on the evening ...

Syracuse is expecting a period of cold days and increased snow chances due to a 'stretching' of the Polar Vortex in the ...

Arctic air originates near the polar regions and is among the coldest air masses on Earth. It typically stays locked in ...

Don't let the incoming string of relatively warm days in the greater Philadelphia region fool you; the polar vortex is still ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...