The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, ...

Cities across the U.S. are bracing for cold temperatures as a polar vortex arrives, bringing temperatures down to much below ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

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

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

President-elect Donald Trump will take the oath of office indoors due to the freezing temperatures expected during his inaugural ceremonies.

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Forecasters predict another ...

With temperatures expected to be among the coldest Inauguration Day in decades, officials have decided to move the ...

Frigid arctic air due to a polar vortex is about to send temperatures plunging for millions of Americans across the U.S., and ...