A sudden stratospheric warming event that occurred March 4-8 is starting to show its effects, and its impacts will continue ...

Ohio and the Great Lakes are bracing for another cold shot later this month — down to single digits in places. When to expect ...

Welcome to 'false spring,' New Jersey! A polar vortex split could bring bitter cold back to NJ, but how cold will it get and ...

The United States is getting slammed by a stretch of weather extremes, from flooding rain to record heat and late-season snow ...

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

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

Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex will bring days of life-threatening temperatures to much of the country, ...

Winter weather is back in the East, but the extended forecast has some good news for milder weather later in March.

Florida has endured a winter few could have predicted. Since early November, the state has endured at least three rounds of Arctic air, and even snow.

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

The polar vortex is a large area of cold, spinning air that sits near the North Pole and exists year-round. When it weakens or shifts, Arctic air can spill south, increasing the risk of snow and ...

In the wake of the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the Polar Vortex is bringing days of life-threatening temperatures to much of the ...