A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

A particularly brutal pattern in 2021 led to wind chills near 60 below zero in the Upper Midwest and an ice storm along the Gulf Coast. There is even a polar vortex on our sun. So, when you hear ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and ... Combined with a brutal wind chill, it will ...

Once the snow starts to come in, the temperature will essentially drop like a rock,” Fox Forecast Center Meteorologist ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

A polar vortex over southern Ontario means Waterloo region, Guelph and Wellington County will experience very cold ...

Most of the current cold snap, which swept in a few days ago, should have passed, but temperatures remain dangerously low.

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

C with the windchill but the worst is likely over. Environment Canada lifted its extreme cold warning with mid-day ...

Beginning Saturday, the polar vortex began to dip down into the northern tier of the U.S., dropping temperatures into the single digits. Wind chills dropped into the negative teens for that region.