Polar Vortex Forecast

11 hours agous news polar vortex weather forecast: 2 days agopolar vortex to fuel dangerous spread of arctic air as coldest temperatures will linger over us for weeks in the coming weeks, cold air will continue for parts of the u.s. 5 days agoi have been discussing how the polar vortex (pv) can walk through one of three doors with resulting impacts on the weather.

A fresh blast of arctic air is poised to spill across a wide swath of the united states, and the latest polar vortex map makes clear which regions are most exposed. Forecast models show a sharp . Dec 19, 2025a weak la niña and signs of a disrupted polar vortex are forecast to shape colder-than-average winter conditions across the northern united states, southern canada, and parts of europe.

Dec 20, 2025forecast models show the strengthening of the polar vortex in late december 2025. After a quiet start to winter, the polar vortex is tightening again.