The second of five storms that will slam the eastern half of the United States with snow and ice over a two week period is on ...

As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...

The year’s first deadly US tornado struck after dark Thursday, killing two people in a small East Tennessee community as the ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the ...

The Deep South of the United States was hit with a rare snowstorm, the result of a collision of air pressure systems moved by ...

Millions of Canadians won't be in the deep freeze to kick off February as a forthcoming pattern change will reconfigure air ...

A stronger piece of energy in the jet stream will move in Thursday and Friday, bringing a 40% chance of showers.

Certified Meteorologist Mike Grogan explains how jet streams helped a recent flight from Las Vegas to London reach near ...

Warm and humid conditions through today and tomorrow as a front sits just to our north. South winds will continue to bring in ...

Meteorologists often blame unusual weather events on the movements of a jet stream, not to be confused with the similarly active Gulf Stream. Learn the key differences between the two before the ...