A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

A crippling winter storm that could paralyze parts of the Southern and Central U.S. this weekend, and some of the effects ...

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

Environment Canada has issued warnings for the cold and storm expected Sunday that could deliver up to 30 centimetres of snow ...

Cold temps are not uncommon in January, but the polar vortex-related extremes the Elgin-area will see Friday are downright ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. Here's what to know in Middle Tennessee.

Winter storms swept through a large swath of the U.S. this weekend, bringing heavy snow, ice, and freezing temperatures.

The polar vortex is a large area of low pressure and cold air surrounding the Earth's poles. When it weakens or becomes displaced, as it has recently, it can lead to severe winter weather across North ...