However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and sends temperatures tumbling to levels not ...

Millions of people across the U.S. will experience subzero or below-average temperatures in the coming days as a polar vortex coming from Siberia will usher in a new cold front. The Rockies ...

Polar Vortex Set to Envelop Much of US in Freezing Temperatures By Hannah Lang and Brendan O'Brien (Reuters) - A blast of Arctic air is set to cover much of the United States with temperatures ...

A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven't seen before.

As happened earlier this month, this latest cold snap comes from a disruption in the polar vortex, the ring of cold air usually trapped about the North Pole. The cold air will moderate as it moves southward and eastward, but the central and eastern U.S ...

President-elect Donald Trump will take the oath of office indoors due to the freezing temperatures expected during his inaugural ceremonies.

Attorneys for a woman who lost her home in the Los Angeles-area Eaton Fire filed an emergency request late on Thursday for Southern California Edison to preserve additional electrical equipment to be examined in blaze investigations,

Another winter storm set to dump snow on the East this weekend as major cities across the Great Lakes and I-95 corridor brace for the coldest air of season. Meanwhile, to the south, ice is the main concern as freezing rain could make it all the way to the Gulf Coast.

And if the polar vortex is to blame. First, a quick refresher on the polar vortex. The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located ...

You also notice the end of the forecast indicates the polar vortex may be making another swipe at Michigan in mid-February. At that time of year it can still be a very cold outbreak. However it ...

LOS ANGELES – Much-needed rain has arrived in Southern California and is helping with the ongoing wildfire fight across the Los Angeles area. However, the return of the rain has triggered Flash ...