Polar Vortex Chicago 2024. A strong train of pressure waves is building across north america. But thereafter, it may come down to what the polar vortex does — and the jury is still out on that.
When the polar vortex is shifted or stretched out off the pole to lower latitudes, it can sometimes help reinforce wintry weather outbreaks. Early data shows that the polar vortex is likely to be weaker than normal in the winter of 2024/2025.
