Polar Vortex 2025. The beginning of 2025 will be marked by the year’s first polar vortex, bringing snow, storms, and frigid temperatures that will impact the majority of the country and millions of. The polar vortex spins anticlockwise around the north pole with wind speeds of about 155mph (250km/h).

Pieces of the polar vortex are projected to swirl southward out of northern canada and into parts of the u.s. As the new year approaches—but what exactly is a polar vortex, and how could it affect the weather in 2025?.