Arctic air moving into the area is a virtual certainty, as our coldest air of the season is in store for us Friday and Saturday. A Weather Impact Alert is in place.

An Arctic blast is set to grip Iowa later this week, bringing some of the coldest temperatures of the season along with dangerous wind chills after a round of snow and gusty winds midweek.

A dangerous mix of heavy snow and bitter cold is blanketing much of the country. In some places today, temperatures felt like negative 20 degrees. And this is just the first of two storm systems expected this week.

Indiana is in for another stretch of dangerous winter weather as Arctic air tightens its grip on the state, bringing subzero wind chills and chance for snow.

A crippling winter storm that could paralyze parts of the Southern and Central U.S. this weekend, and some of the effects could reach southern New England.

A fierce Arctic blast of bitterly cold air is poised to overtake much of the central, eastern and southern U.S. over the next few days, dropping temperatures well below average.

Arctic cold combined with breezy winds will create dangerously cold wind chills Tuesday morning across the entire Philadelphia region.

Svalbard is in the strategically sensitive Arctic corridor between Europe and the North Pole. It is close to Russian naval routes and undersea communication cables, making it as significant as Greenland in the context of Nato–Russia relations and Arctic security.