There’s a chance of snow this weekend before temperatures are expected to drop to the single digits next week due to a blast of arctic air.

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

Parts of upstate New York saw 3 feet or more of snow from a lake effect event expected to last until late Sunday afternoon.

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 ... Classes were also canceled in Maryland, where Gov. Wes Moore declared a state of emergency Sunday and announced that state government ...

Officials canceled the parade because of the freezing temperatures expected to blast the Baltimore area in the days ahead.

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, keeping it locked there. If there's any weakening in the jet stream (the fence), the frigid air can become unstable and spill out. This sends the normally trapped cold air much farther south.

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.

VIRGINIA BEACH, Va. — Looking ahead to next week, a major arctic blast is expected to settle into Hampton Roads and Mid-Atlantic. The region will likely deal with the coldest weather so far this winter season.

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