Millions of Americans are bracing for life-threatening cold as an arctic blast driven by the polar vortex plunges ...

Temperatures ranged from minus 20 to 40 degrees across Wyoming between Sunday and Monday, but that's still nowhere close to ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Actual high temperatures will only reach the upper teens to around 20 degrees in the Boston area Tuesday, according to Dave ...

Bitter Arctic air plunged more than half the United States into a deep freeze Tuesday, including New Orleans, where the ...

Even the Mississippi Coast will take a hit. Biloxi is expected to experience several nights with lows at or below freezing.

− Winter was making its ugly presence felt across most of the nation Sunday as a potent arctic blast fueled some of ... at the peak of winter, so daily record-low temperatures are the lowest ...

Augustine residents will continue to experience arctic temperatures for the next week ... and a light freeze cannot be ruled ...

When the next cold plunge will arrive: After a brief return to milder temperatures in the central U.S. late this week, the ...

Extreme cold has a unique ability to render survival dependent on uninterrupted energy supplies. A power outage during a heat ...