Why has April in Chicago been cold so far? A big factor is the disruptions in the polar vortex, even as the “polar vortex ...

CHICAGO (CBS) — A chunk of the polar vortex is present in the Chicago area, bringing the coldest temperatures of the season with dangerous wind chills. The polar vortex is an ever-present ...

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

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

On Thursday, temperatures may not rise above the low single digits Fahrenheit in Chicago, with any winds making for dangerous wind chill temperatures. SEE ALSO: Polar vortex about to blast U.S ...

"The large polar vortex disruption from the second week of ... where it will feel more like late February in Chicago and New York early next week as highs drop into the 30s and 40s," Savona ...

10th polar vortex of the season hits the U.S. Here’s what to know With record snow in New Orleans last month and drought and destructive wildfires in Southern California, this winter has not ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

"The large polar vortex disruption from the second week of ... where it will feel more like late February in Chicago and New York early next week as highs drop into the 30s and 40s," Savona ...

"The large polar vortex disruption from the second week of March is playing ... where it will feel more like late February in Chicago and New York early next week as highs drop into the 30s and 40s," ...