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

There is a chance in some places of at least 8 inches of snow, freezing rain and a hard freeze as far south as Florida

A major winter blast is stirring up dangerous conditions across the U.S. central and southern states all the way to the East Coast

The Polar Vortex Brings Its Bitter Cold to the Southern ... according to the National Weather Service. Road crews in the Kansas City area, which received about 11 inches (28 centimeters) of ...

The polar vortex of ultra-cold air usually stays penned up around the North Pole, spinning like a top. But sometimes it escapes or stretches down to the United States, Europe or Asia — and that’s when large numbers of people experience intense doses of cold.

The Polar Vortex Readies to Dump Snow on Texas and Its ... life still hadn't returned to normal in other locales, including the Kansas City area, which canceled classes Wednesday for a third ...

The polar vortex of ultra-cold air usually spins around ... Kentucky, Missouri and Kansas canceling or delaying the start of classes Monday. Among them was Kentucky’s Jefferson County Public ...

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies in its frigid grip, making many roads treacherous,

PHOTOS: Polar vortex keeps much of the US in its icy grip ... Kentucky, Missouri and Kansas canceling or delaying the start of classes Monday. Among them was Kentucky’s Jefferson County Public ...

Several governors across the US issued warnings to residents to stay at home and off the road as the polar vortex struck deep into the American heartland and out toward the East Coast

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