Winter Weather Forecast 2024. A first look at the winter 2024/2025 forecast shows the influence of a weak la niña phase. A weaker polar vortex usually means a weaker jet stream,.

The southeast is expected to see average winter temperatures, while it will be unseasonably cold and wet in the pacific northwest. Based on the first round of winter forecasts, the emerging trends point to a slow start to winter, with cold air anomalies expanding across the central and eastern.