People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, a meteorologist says. That includes Kansas City, which is set to host a Chiefs playoffs game this weekend.

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

Kansas City Airport closes amid a severe winter storm and polar vortex, causing major travel disruptions across the Midwest.

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 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 of ultra-cold air usually spins around ... Hundreds of car accidents were reported in Virginia, Indiana, Kansas and Kentucky, where a state trooper was treated for non-life ...

Kansas City International Airport (KCI ... which is coinciding with a polar vortex that could make this January the coldest since 2011. The combination of heavy snow, ice accumulation, and ...

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,

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 ...

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