Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit that is expected to provoke teeth-chattering but not be ...

An area stretching from Texas to Tennessee is bracing for the expected arrival of freezing rain and snow, as some other parts ...

South Florida faces an Arctic blast and polar vortex. Will this cold snap lead to an ultimate measure of cold weather here?

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit that is expected to provoke teeth-chattering but not be record-shattering.

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in the coming days and ...

It was warmer in Anchorage — yes, that Anchorage, in Alaska — than it was in some parts of Florida early Wednesday morning. At 5:30 a.m., it was 45 degrees, with a wind chill of 41 in Anchorage, ...