In Indiana, the National Guard was activated to help stranded motorists. The storm was expected to reach the Mid-Atlantic ...

People in the U.S., Europe and Asia experience the polar vortex's intense cold when it escapes the North Pole and plunges ...

Storm Blair is expected to move through Ohio on Sunday, bringing snow and sleet accumulations of between 5 and 9 inches on ...

AccuWeather forecast that the state's "RealFeel" temperature could be as cold as between 10-20 degrees from January 8-10.

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...

Storm Blair has hit most of the U.S., bringing freezing temperatures to Texas. Precipitation later this week could mean snow ...

Veterinarians urge dog owners to rethink their winter walking routines as the polar vortex plummets temperatures for much of ...

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend ...

Our chilly weather could bring freezing rain and snow to parts of the Hill Country and I-35 corridor, local forecasters say.

Cold air from the arctic sometimes dips southward across the American plains. What to know about the polar vortex.