Snow and winds are likely to trigger flight cancellations and cause headaches for people traveling to DC for Inauguration Day.

The 10 Weather Impact team issued Alert Days for next week because of the polar vortex being responsible for the cold temperatures.

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary between Arctic and more temperate air – dips deeply southward, bringing the cold Arctic air to regions that don’t often experience it.

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this weekend.

VIRGINIA BEACH, Va. — Looking ahead to next week, a major arctic blast is expected to settle into Hampton Roads and Mid-Atlantic. The region will likely deal with the coldest weather so far this winter season.

Are you ready for the coming arctic storm? Here’s the latest Colorado weather forecast and everything else you need to know ahead of extreme cold.

It’s going to be a rude awakening tomorrow — a full taste of winter, for sure,” National Weather Service meteorologist says

An arctic blast will send temperatures across the United States plummeting as bitterly cold air that originated in Siberia will arrive from Canada by week’s end, bringing with it dangerously cold wind chills for millions of Americans.

Extreme cold is set to grip much of the country starting this weekend with the return of the polar vortex. Some regions are expected to see temperatures in the negatives early next week. TODAY’s Al Roker tracks the frigid forecast.

Temperatures are expected to plummet over the weekend, bringing life-threatening conditions to large stretches of the United States. The polar vortex will send temperatures below freezing for much