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

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 ...

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

The next step upward to spring weather is showing in the extended forecast. This week and much of next week look and feel more like winter than spring. The second week in March should have the driver ...

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 ...

Rather, warmer weather is forecast across Metro Detroit through the week, with temperatures returning to seasonal averages later this week. Daily highs are expected to be in the 40s and 50s this week, ...

Add Yahoo as a preferred source to see more of our stories on Google. Dangerously cold temperatures are expected across a large portion of the U.S. this week, impacting the Midwest, Mid‑Atlantic and ...

A sudden stratospheric warming is when rapid warming occurs in the stratosphere, which can have a massive impact on our weather ...

Greetings from Ice Planet Hoth. Indeed, much of the eastern United States resembles the fictional frozen Star Wars world, and now folks there are now enduring some of the worst cold on Earth: "The ...

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...