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 ...

The polar vortex is splitting — an exceedingly rare phenomenon for this time of year that will be an unusual driver of warmer temperatures, as the calendar flips to March and meteorological spring.

As we approach the end of March, many people may be getting ready for shorts season, but the FOX Forecast Center said a split in the Polar Vortex could bring a cooler end to the month for locations ...

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 ...

A potential polar vortex split could bring colder air into the Northeast by late March. Forecasters say this could lead to one final blast of winter-like temperatures. It remains unclear exactly how ...

After an extended May preview, the "false spring" in the eastern United States is over, and is being replaced by more typical chilly March weather (for now). Highs in the 60s, 70s and 80s are being ...

A weakened polar vortex is expected to keep much of the Midwest and Northeast cooler than average this May, potentially making it one of the chilliest in recent years. The Weather Company and ...