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.

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

But often during winter, the polar vortex will expand ... This weekend four NFL playoff games continue as scheduled in Kansas City, Detroit, Philadelphia and Buffalo, N.Y. ️ Another Chiefs ...

more than 40 million people were under winter storm warnings while in areas of northeastern Kansas to north-central Missouri snowfall of up to 15 inches was observed. But the latest polar vortex ...

Dozens of US states will endure the lowest temperatures they have felt in years next week as a polar vortex brings 'life-threatening' cold. Here's how you can stay safe in these harsh conditions.

The polar vortex brings some of the most frigid winter air to the U.S., and the recent storm offered a reminder of its power.

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 ...

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures

Although people from all over the country, of all ages and backgrounds, joined the People's March, one protester said no one felt like a stranger.

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

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption will stretch Arctic air across the top of the globe