A powerful nor’easter is expected to hit the East Coast this weekend, while El Niño and the polar vortex may shape months ...

THE polar vortex has taken shape over the North Pole and is starting to get stronger, but what exactly does that mean for the ...

A stronger polar vortex is developing over the Arctic. Here's what it could mean for winter, including the role of a powerful ...

Meteorologists are watching the polar vortex and a strong El Niño to see if Oklahoma faces a harsh winter ahead.

A strong polar vortex and 'super' El Niño are developing, leaving experts split on how they could Tennessee winter.

Nearly every part of the United States is getting walloped by wild weather or just about to be. Days of downpours have begun in Hawaii. The Southwest will soon bake with day after day of record ...

The polar vortex is splitting — an exceedingly rare phenomenon for this time of year that will be an unusual driver of warmer temperatures, as the calendar flips to March and meteorological spring.

A polar vortex could bring colder weather and even snow to the UK this winter ...

After an extended May preview, the "false spring" in the eastern United States is over, and is being replaced by more typical chilly March weather (for now). Highs in the 60s, 70s and 80s are being ...

Nearly every part of the United States is getting walloped by wild weather or just about to be. Days of downpours have begun in Hawaii. The Southwest will soon bake with day after day of record ...