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

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 ...

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. In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its ...

Forecast models show Antarctica's polar vortex strengthening as winter continues. Here's why meteorologists are watching and what it means for Ohio.

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 ...

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

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 ...

December might be extra chilly across parts of the United States because of a weather phenomenon unfolding miles above the North Pole. It’s called sudden stratospheric warming and happens once every ...

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

A wide swath of the western U.S. may be in for below-average temperatures as forecasts suggest an Arctic blast is looming. Reading time 3 minutes Much of the contiguous U.S. could be in for a very ...

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 ...