Millions of people across the U.S. will experience subzero or below-average temperatures in the coming days as a polar vortex ...

An April cold snap is expected to bring unusually cold temperatures to the eastern half of the US next week. The cold snap could impact new spring vegetation and lead to frost in some areas.

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

A polar vortex collapse could bring cold weather to the UK later this month, the Met Office has warned. The weather forecaster said there is a 70% chance of a sudden stratospheric warming (SSW ...

Prepare for a return of frigid weather in March—and April. Prepare for a return of frigid weather in March—and April.AFP—Getty Images Editor at Large You could be forgiven for not noticing ...

Don’t pack up your jackets and pull out your shorts just yet. Forecasters predict the warm weather streak will fade as pockets of cold fronts move into New England later this spring. Accuweather ...

Scientists believe deadly Arctic winds were to blame for a series of savage storms that wreaked havoc in Britain over just a ...

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March. Currently, its remains are traveling eastward across Canada to the United States.

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor plans.