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

Colder air is returning to the central and eastern U.S. as the polar vortex becomes more active, bringing fluctuating ...

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

Each of these lobes of the Polar Vortex will bring two or three days of bitterly cold, below-normal temperatures. We aren’t ...

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

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

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

The brief respite of a January thaw is over as a significant pattern shift readies a return to harsh winter conditions across ...

A 2025 satellite image shows a series of ghostly ice swirls sculpted on the surface of Lake Michigan by strong winds during ...

A fierce Arctic blast of bitterly cold air is poised to overtake much of the central, eastern and southern U.S. over the next ...

Moreover, the latest data suggests that the Polar Vortex is on the verge of a significant disruption due to a new SSW event. The disruption is expected to lead to a colder pattern across the United ...

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