The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...

This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...

Despite being notorious for bringing brutal cold and dangerous wind chills, the polar vortex has a surprising upside. Discover how it can lead to clearer skies, fewer storms, and ideal conditions for ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in a deep winter feel and park ...

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit ...

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...

Add Yahoo as a preferred source to see more of our stories on Google. Our old wintertime friend the polar vortex is set to funnel bitterly cold air south from Canada two more times in January, once ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. The polar vertex is a large area of low pressure and cold air that sits over Earth's poles. Middle ...

This week, New Jersey is set to experience temperatures below 10 as a shift in the polar vortex is letting Artic air slip south. Tuesday, Jan. 20 and Saturday, Jan. 24 are forecast to be the coldest ...

A major winter storm is impacting much of the nation east of the Rocky Mountains. The storm's intensity is caused by a combination of a stretched polar vortex, a wavy jet stream, and moisture from the ...

A forecast map reveals which states can expect to see "persistent cold" in the weeks ahead, after experts said the polar vortex would unleash waves of icy air across parts of the U.S. through January.

Georgia residents could be in for a sharp change in weather this weekend as a major polar vortex disruption pushes the coldest air of the season into the state. Forecasters say the setup raises ...