The intense cold snap about to settle over most of Canada and the U.S. has been dubbed a “polar vortex’, but Environment Canada Senior Climatologist David Phillips says it could just as easily be called “Arctic air or Siberian air.”

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously frigid conditions.

The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S.

The plunging polar vortex brought subfreezing temperatures ... along Texas’ border with Mexico, to 31 degrees, with an expected wind chill factor ranging from 0 to 15 degrees early Wednesday ...

The Arctic polar vortex has been pushing icy winds throughout ... States included parts of Texas, Louisiana, New Mexico, Arizona, Nevada, Utah and Colorado, as well as New Jersey, Pennsylvania ...

(AP) — The plunging polar vortex brought subfreezing temperatures ... along Texas’ border with Mexico, to 31 degrees (minus 0.5 Celsius), with an expected wind chill factor ranging from ...

The National Weather Service in Springfield said Wednesday afternoon that it is putting Southwest Missouri and Southeast Kansas under a winter weather advisory from 5 p.m. Thursday to 6 p.m.

LOS ANGELES — Massive wildfires roaring through the Los Angeles area left neighborhoods in ruins Wednesday, killing at least two people and threatening landmarks made famous by Hollywood as desperate residents escaped through flames, hurricane-force winds and towering columns of smoke.

A major winter blast is stirring up dangerous conditions across the U.S. central and southern states all the way to the East Coast

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

Over 120 million Americans will face extreme cold, with temperatures potentially reaching minus 40 degrees Celsius. Meteorologists warn that it will be colder than in Greenland. Due to the frigid weather,