WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...

MINNEAPOLIS, Minnesota — Our entire region is under an Extreme Cold Weather Warning until 12 p.m. Tuesday; wind chills could fall as low as -45 degrees. This Arctic blast is thanks to a polar vortex.

I expected to see protesters, but I guess they couldn’t withstand the cold,” one Trump supporter said of the lack of ...

As an Arctic blast makes its way through the region, local homeowners are taking proactive measures to protect their homes ...

Montrealers are bracing for a polar vortex, with temperatures feeling like minus-40 in some areas of Quebec. The polar vortex ...

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

The temperature at kickoff Saturday is expected to be in the low to mid-20s, but northerly winds could make it feel much ...

Here is what is and isn't a polar vortex when Colorado receives cold like what is forecast for the holiday weekend.

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...