Winter 2024 Forecast. The forecasts generally tilt the probabilities toward below normal temperatures. Early data shows that the polar vortex is likely to be weaker than normal in the winter of 2024/2025.

Early data shows that the polar vortex is likely to be weaker than normal in the winter of 2024/2025. The aso 2024 temperature outlook favors above normal temperatures for much of the contiguous united states (conus), with the strongest probabilities.