January 2025 Polar Vortex Predictions. A polar vortex dipping down from siberia is bringing a cold front with frigid temperatures to millions americans. January could be somewhat colder than average in the northeast, but the forecast is uncertain.

The polar vortex, a swirling mass of cold air located over the polar regions, is responsible for the impending cold. Pieces of the polar vortex are projected to swirl southward out of northern canada and into parts of the u.s.