Unseasonably cold air is sweeping across parts of the U.S., bringing frost advisories, below-average temperatures, and the potential for the coldest Kentucky Derby Day in Louisville since 1989. The ...

And AccuWeather reports that “the polar vortex may be gone, but lingering impacts will keep waves of chilly air and frost ...

The snow has melted, the air is warm, and the first day of spring 2026 is near, but don't pull out the swimsuit just yet, because "false spring" in New Jersey will be disrupted by the polar vortex ...

The snow has melted, the air is warm, and the first day of spring 2026 is near, but don't pull out the swimsuit just yet, because "false spring" in New York will be disrupted by the polar vortex split ...

A polar vortex split is expected to bring frigid Arctic air and single-digit temperatures to Ohio and the Great Lakes region later this month. The event is a full split of the vortex, which could lock ...

A polar vortex split is expected to bring frigid Arctic air to the Great Lakes and Northeast later this month. Temperatures could drop 15 to 25 degrees below normal, with single-digit lows possible in ...

A polar vortex split high in the stratosphere is expected to send frigid Arctic air toward Michigan and the Great Lakes. The event could bring colder-than-normal temperatures and late frosts to the ...

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 ...