According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need to know.

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and when the cold front will arrive.

Georgia has officially seen snow. But as the next cold front arrives, will the state see more? Here's what you need to know.

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.