Folks across the central, eastern and southern U.S. are about to experience potentially record warmth over the next week or ...

While all the warmth of the past few days may make it feel like spring is in full effect, forecasters are saying otherwise.

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

Folks across the central, eastern and southern U.S. are about to experience potentially record warmth over the next week or so.

The infamous weather pattern is actually partly influencing our weather as February ends. And it may again throughout the month of March.

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.

Folks in the central and eastern United States may be wondering: Is winter on the way out? Here's what meteorologists say.

Right now, we don’t have any signs of extremely bizarre, warm weather. We don’t need that either in Michigan. Too much warmth ...

Delaware’s fake spring brings a warm stretch, but a nearby polar vortex could send temperatures crashing again. Here’s what ...

DC swings from a warm 50 weekend to a cold start to the week, with highs in the 30s and a wintry mix as the polar vortex and ...

Add Yahoo as a preferred source to see more of our stories on Google. Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across ...

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of Earth’s poles 10 to 30 miles above the surface. The term vortex is used to ...