"Bitter cold could linger through the end of the month," the Weather Prediction Center said in an update on Monday.

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

The severe weather pattern is caused by disruption of the polar vortex, which normally remains uniform over the North Pole.

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

A polar vortex is settling over the eastern United States, and temperatures are expected to fall into the weekend, bringing ...

A significant portion of the U.S. is experiencing below-average temperatures due to a disrupted polar vortex, affecting over ...

And it won’t just feel cold: A series of clipper storms is also expected to bring snow to the region beginning on the evening ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

A crippling winter storm that could paralyze parts of the Southern and Central U.S. this weekend, and some of the effects ...

A weakened polar vortex is expected to bring extremely cold Arctic air to the central and eastern U.S. Temperatures in parts of Minnesota are forecast to drop as low as –26°F over the weekend. The ...

A weakened polar vortex is pushing frigid Arctic air into the central and eastern United States. Michigan will experience its coldest temperatures over the weekend, with some areas dipping below zero.

A forecast map reveals which states can expect to see “persistent cold” in the weeks ahead, after experts said the polar ...