Cold air originating from the Arctic Ocean will be dislodged and sent to the continental United States this weekend. As a result, windchills here in Denver will likely bottom out around 30 degrees ...

A disruption in the polar vortex centered over the North Pole will allow for areas of bitterly cold air to escape the Arctic region and move into the U.S. Under stable conditions, arctic air usually ...

Winter’s grip will return to half of the US this week as a rush of arctic air descends, plunging temperatures from well above average to nearly 30 degrees below average for some. Two areas of high ...

We are getting two accumulating snows between Wednesday and Saturday. Then a blast of true Arctic air marches into Michigan again. The next few weeks will seal the deal on making this a true Michigan ...

STATEN ISLAND, N.Y. — Another wave of Arctic air from the north will proceed the wet weather this weekend and linger in New York for much of the week. Conditions will take a cold turn beginning Sunday ...