But, today, it’s all about the cold. Temperatures plunged into the teens and single digits in some spots, and the snow-dusted ...

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 ...

Portland was forecasted to be about 6 degrees below normal Sunday and Monday, according to the National Weather Service.

Kansas City Airport closes amid a severe winter storm and polar vortex, causing major travel disruptions across the Midwest.

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 ...

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 ...

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

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 ...