El Niño's record-breaking force could enter a chaotic dance with another wintertime powerhouse: The polar vortex.

Ask most people what the polar vortex is and you'll get a vague answer about "that cold thing from the news." Ask a ...

The weather forecast is looking promising for warmer weather as the calendar turns to March. In the East, a dramatic warm-up is in the forecast, and the Climate Prediction Center's outlook for March 6 ...

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S. When Arctic air surges into the U.S., the polar vortex ...

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex is forecast to weaken unusually early, and that could lead to more persistent cold weather in at least parts of ...

Forecasts for winter 2026/2027 indicate increased volatility due to a Super El Niño, shifting winds, and declining Arctic sea ...

The polar vortex is so back, and in some parts of the country, the weather system will bring with it up to a foot of snow. If “polar vortex” is giving you déjà vu, that’s because we’ve heard it before ...

Snow season has gotten off to a fast start across swaths of the northern United States this year. Fueled in part by an unusually early disruption to the polar vortex — which is now easing — 18 states ...

Forecast models show Antarctica's polar vortex strengthening as winter continues. Here's why meteorologists are watching and ...

Nearly all of New England has seen its share of frigid cold days and record mountain snow so far this November — and looking ahead, we’re about to get hit with another blast of Arctic air from a ...

Severe temperatures are expected to dominate most of the country in the coming days, with single-digit temperatures forecast for parts of the Northeast. Overall, temperatures will begin to warm in the ...