A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

The Old Farmers Almanac has predicted the last frost dates across the U.S. for 2025 -- and some in the Chicago area might be ...

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end ...

April 5, 2025 - By Laura Ciasto and Amy Butler - After spending much of the season with super strong wind speeds, the polar ...

Warm conditions across much of Europe are forecast to give way to periods of unseasonably cool temperatures and stormy ...

"The large polar vortex disruption from the second week of March is playing a key role in next week’s eastern US cold snap," meteorologist Judah Cohen of Atmospheric and Environmental Research told ...

After the polar vortex made its most dreadful and intense appearance in New York City this past winter, spring is finally in ...

Don't put away those winter coats just yet. An April cold snap is forecast for much of the eastern half of the U.S. early next week, forecasters said, with freezes likely across portions of the ...