The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need to know.

Millions of people across the U.S. will experience subzero or below-average temperatures in the coming days as a polar vortex coming from Siberia will usher in a new cold front. The Rockies ...

Winter is supposed to be cold—and indeed, in the absence of global warming, the season would be colder than it typically has been in the U.S. in recent years. Nevertheless, when freezing ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

January 2025 has been the coldest since 2018 and the fourth-coldest since the turn of the century. It looks like it could get even colder heading into next week. Within the last decade, the phrase ...

Much of the country is in for widespread and dangerously cold temperatures beginning this weekend — and lasting through much of next week — as a lobe of the polar vortex over northern ...

The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S.

This winter, it seems as if temperatures have been fluctuating more significantly. Over the past year, it seems as if severe weather events have been occurring more frequently as well. Answers as ...