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 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 ...

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

Unprecedented snowfall hits the U.S. South. Discover how this winter storm is setting new records and causing rare blizzard conditions.

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 ...

Bitter cold is once again wrapping its icy fingers across the United States, extending the frigid start to the new year. The ...

Typically, there isn’t enough warm moisture in the winter for these events to occur. Home security camera captures dazzling ...

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

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 ...

We finally did break out of the deep freeze today with afternoon highs in the lower 40s! It was a cold start with the official low at DIA at -2. We dropped to -14 right before midnight and then a ...