Winter 2024 2024 Predictions Midwest. Temperatures dropped to minus 20 or lower across portions of the midwest and upper plains early friday, and the cold air is forecast to spread into the deep south through the weekend,. The forecast calls for the return of la niña.

Early data shows that the polar vortex is likely to be weaker than normal in the winter of 2024/2025. November 2023 to october 2024.