The stratospheric polar vortex is entering its seasonal collapse. But that doesn’t mean calm weather is coming. What's ...

Add Yahoo as a preferred source to see more of our stories on Google. Spring fever, anyone? Folks across the central, eastern and southern United States are about to experience potentially record ...

Warm, spring-like temperatures across the Midwest and Northeast are considered a "false spring" by forecasters. An Arctic blast, driven by the polar vortex, is expected to bring colder weather around ...

Michigan and the Great Lakes are bracing for another cold shot later month as a polar vortex split in the stratosphere nudges frigid Arctic air south.

This weather phenomenon is an integral part of forecasting as the swirling current of air ebbs and flows and eventually falls apart each year With spring underway and temperatures reaching into the ...

Folks across the central, eastern and southern United States are about to experience potentially record warmth over the next week or so as temperatures skyrocket. "Enjoy the springtime warmth − maybe ...

New Yorkers should prepare for one last noticeable chill from the polar vortex before spring takes hold, with below-average ...

Folks across the central, eastern and southern United States are about to experience potentially record warmth over the next week or so as temperatures skyrocket. "Enjoy the springtime warmth − maybe ...

Folks across the central, eastern and southern United States are about to experience potentially record warmth over the next week or so as temperatures skyrocket. "Enjoy the springtime warmth − maybe ...