Welcome to 'false spring,' New York! A polar vortex split could bring bitter cold back to NY, but how cold will it get and when? The latest forecast ...

Federal forecasters are tracking a weakening polar vortex that could funnel another round of Arctic air into the Northeast during the second half of March 2026. Diagnostic data from NOAA’s Climate ...

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

The Great Lakes and Northeast are bracing for another cold shot later this month — down to single digits in places. How cold will it get in NY?

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 ...

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 ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England. Hundreds of thousands ...

A major winter storm is impacting much of the nation east of the Rocky Mountains. The storm's intensity is caused by a combination of a stretched polar vortex, a wavy jet stream, and moisture from the ...