The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles ...

The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.

The polar vortex's icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

Extreme cold weather is pushing into Texas, with the South Plains expecting light snow and sub-zero wind chills. Here is how it's impacting Lubbock.

Temperatures in the teens and single digits can be very dangerous if you aren’t dressed warm enough or if you are planning to spend a prolonged period outdoors.

Parts of Ontario are expected to get hit by another major winter snowstorm this Family Day weekend. Why you may not want to ...

The latest arctic blast will move into the northern Rockies and northern Plains Saturday and spread to the central and ...

In January 2018, Hutchinson residents opened their December bills to find they owed the commission unusually large amounts after a cold snap – similar to last week’s polar vortex – caused ...

As temperatures plunge below zero in the coming days, law enforcement agencies across the state and medical healthcare professionals are advising residents to exercise caution. Forecasters say tempera ...

11 INCHES of snow could hammer the country with a 'polar vortex split' in February. Advanced weather modelling maps from WX Charts, which uses Met Desk data, also show snow could be on the way in ...

U of T Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change. The researchers developed a model that ...

You also notice the end of the forecast indicates the polar vortex may be making another swipe at Michigan in mid-February. At that time of year it can still be a very cold outbreak. However it ...