As another winter storm hits South Carolina and other regions, here's what to know about deciphering forecaster terms.

After a brief lull that tempted some to declare the season finished, forecasters are warning that the atmosphere has other plans. A recharged polar vortex is poised to drive another round of bitter ...

The polar vortex will engulf much of North America as we head into next week, with temperatures dipping down into the -20s and -30s in some Canadian provinces. Even states like the Carolinas, Georgia, ...

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms ...

Forecasters are warning that the breakdown of the polar vortex high above the Arctic will not bring relief from winter, but ...

After a brief stretch of milder weather, colder air is set to return to the Poconos as the polar vortex becomes active over the next 10 to 14 days, according to AccuWeather. Ben Gelber, a ...

Bitter cold temperatures are expected to continue throughout the week in Chicago, with wind chills plunging to minus 20, the National Weather Service said. A cold weather advisory is in effect until ...

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The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

It exists all the time, but it usually gets stronger in winter. When the jet stream (a river of wind) bends and dips south, ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...