This cold was certainly extraordinary, but the polar vortex event of January 2019 brought life in the northern and central United States to a frozen halt. At that time in our area, the coldest actual ...

Most of Maryland is under a cold weather advisory through Thursday as temperatures plummet into the single digits in the region in the wake of the weekend snow. The National Weather Service, which ...

A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven't seen ...

Frost fills the branches of a tree near the banks of the Yampa River in downtown Steamboat Springs on Tuesday. Residents in ...

The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air ...

Even if you didn't see snow, the Arctic air blast from the polar vortex is still here. See how to get ready for the cold. When will Mississippi get warm?

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

The intense cold snap that has settled over most of Canada and the U.S. has been dubbed a “polar vortex’, but Environment ...