A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

Another Arctic blast of freezing temperatures will test the ERCOT grid during this Martin Luther King Jr. holiday weekend and early next week.

The harshest week of winter thus far has begun, kicking off with several inches of snow in much of Massachusetts. Overnight, ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

Another Arctic blast has been forecast to bring frigid air to a large section of the United States later in January.

Meteorologist Amy AaronsonOur area is on WEATHER ALERT for Dangerously Cold Temperatures Tuesday & Wednesday as a major blast ...

"The level and extensiveness of the frigid air may be tough to match the rest of the winter," forecasters warned.

Heavy snow is expected to blanket large portions of the Eastern U.S. while much of the country will endure dangerously cold ...

Winter’s most potent Arctic blast yet is about to unleash dangerously low temperatures that will be the coldest to hit the ...

A quick-hitting snowstorm​ hit most of Massachusetts Sunday night into Monday before an arctic blast of air arrives on ...