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.

Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.

(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 ...

A mix of sleet, snow and freezing rain is expected to fall on a stretch of the U.S. from New Mexico to Alabama starting ... with employees working remotely. The polar vortex of ultra-cold air ...

A mix of sleet, snow and freezing rain is expected to fall on a stretch of the U.S. from New Mexico to Alabama starting ... and North Carolina coasts. The polar vortex of ultra-cold air usually ...

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 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

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,