According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need to know.

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously frigid conditions.

As snow begins to cover the Texas Panhandle amid the polar vortex, here's what the state can expect as weather conditions begin to shift.

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into next week, impacting millions of Americans in nearly all of the contiguous states.

The polar vortex of ultra-cold air usually spins around ... store as he loaded his fourth order of the day into his car. Texas Gov. Greg Abbott said Wednesday that the state had deployed several ...

Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.

The Polar Vortex Readies to Dump Snow on Texas and Its Neighbors DALLAS (AP) — An area stretching from Texas to Tennessee braced Wednesday for the expected arrival of freezing rain and snow ...

A winter storm that is expected to begin in Texas next week could end up bringing snow and ice to parts of Florida.

We're tracking an increasing potential for winter weather next week along with several mornings that will bring a hard freeze.

A major winter storm is brewing for the U.S. Gulf Coast as a powerful blast of Arctic air sinks south this week

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the Northern Plains and unusual snow and ice in the Gulf Coast area.