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

Portland was forecasted to be about 6 degrees below normal Sunday and Monday, according to the National Weather Service.

A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow and ice to the East and Deep South.

A major winter blast of snow, ice, high winds and plunging temperatures are stirring up dangerous conditions across the U.S. central and southern states all the way to the East Coast.

Recent forecasts suggest some Americans might be getting a much-needed break from the freezing temperatures that have gripped much of the country.

A polar vortex has blanketed much of the US with ice, snow, and intense winds, stretching from the Rockies to Maine. This frigid dip has rendered roads dangerous, forced school shutdowns, and caused widespread blackouts across several states including Kentucky,

AccuWeather forecast that the state's "RealFeel" temperature could be as cold as between 10-20 degrees from January 8-10.

A major winter blast of snow, ice, wind and plunging temperatures in the U.S. stirred dangerous travel conditions from central and southern states all the way to the East Coast early Monday, prompting schools and government offices in several states to close.

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 ... a weather service meteorologist based in Gray, Maine. The cold was expected to grip the Eastern Seaboard as far south as Georgia ...

The Arctic polar vortex has been pushing icy winds throughout ... Vermont, New Hampshire and Maine. However, the map implied that lower-than-average temperatures could still be expected in many ...

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.