Arctic air originates near the polar regions and is among the coldest air masses on Earth. It typically stays locked in ...

Picture this: you're checking tomorrow's weather for the tenth time this week, and each time the forecast has shifted. What started as sunny skies morphed into scattered showers, then back to partly ...

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S.

Savage blizzards crippling Canada and the US will send a battering-ram jet stream across the Atlantic to ward off the looming ...