Temperatures are expected to plummet over the weekend, bringing life-threatening conditions to large stretches of the United States. The polar vortex will send temperatures below freezing for much of the country starting this weekend and stretching into next week,

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 Coast area.

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

Global warming changed the behavior of the jet stream, and a new pattern is now clear: sapping moisture from the West Coast and freezing the East.

Start your day with the latest weather news. After a brief pause in the arctic air during the end of the workweek, a series of frontal boundaries will help usher in the coldest air of the season, beginning over the weekend and continuing into the upcoming week.

These conditions are all thanks to a familiar sounding occurrence: the polar vortex ... The Eagles and Los Angeles Rams could play in some snow in Philadelphia on Sunday, early forecasts show.

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.

The week began with a biting cold snap that hammered much of the U.S., the product of a jet stream that slips out of its usual path more often these days.

The bitter weather—tied to an Arctic "polar vortex" blast—is expected ... Extreme weather has also struck the western United States, with Los Angeles ravaged by wildfires this month that ...

A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven’t seen before. Moisture from the Gulf of Mexico was combining with a

The term 'vortex' doesn't mean anything scary, it just describes the direction air is traveling. Saving more, paying down debt and building wealth are top financial goals for many Americans. CNBC's Senior Personal Finance Correspondent Sharon Epperson and Anchor Kelly Evans share advice on how to do a financial reset to meet those goals.

President-elect Donald Trump will take the oath of office indoors due to the freezing temperatures expected during his inaugural ceremonies.