Polar Vortex 2025 Snow Forecast. A polar vortex could bring cold winds to much of the u.s. So, if you want cold and snow during winter, and you live in the central or eastern united states, your odds are highest with a weak polar vortex.

A new polar vortex is developing in the stratosphere over the north pole as nights get longer over the polar regions and temperatures drop. So, if you want cold and snow during winter, and you live in the central or eastern united states, your odds are highest with a weak polar vortex.