Polar Vortex Forecast 2 2025 Map. A blast of arctic air from canada has brought the season's coldest weather to most of the united states. This weekend as a polar vortex—the area of cold air that circulates around the arctic—expands, with the national.
According to the national weather service, a polar vortex will impact most of the country this weekend, here is what you need to know. Arctic winds from a powerful polar vortex are sweeping across several states, bringing dangerously cold temperatures and severe weather conditions.