Arctic Vortex 2025 Solar. When (and where) the 2025 polar vortex is expected to arrive, well, that remains a bit up in the air as forecasters work to firm up a timeline for when impacted regions can expect to see the temperatures drop. Published jan 02, 2025 at 10:40 am est updated jan 03, 2025 at 10:53 am est.
Early data shows that the polar vortex is likely to be weaker than normal in the winter of 2024/2025. Observed and forecasted (noaa gefsv12) wind speed in the polar vortex compared to the natural range of variability (faint shading).