Despite being notorious for bringing brutal cold and dangerous wind chills, the polar vortex has a surprising upside.

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

Here’s the wind chill chart. Notice the four shadings, indicating how long it will take for frostbite. When we get to wind ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

Wind chills will bring the feeling of negative temperatures between -15 and -25. Wind gusts on Thursday morning were reaching into the 40 mph range.

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

An Arctic front is moving into the Chicago area, bringing the coldest weather since the 2019 Polar vortex.

It is there year round, but weakens during the summertime and strengthens in the winter.

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, ...

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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 ...