Winter Forecast For 2025. As the forecast progresses through later leads and into fall/winter 2025, enso guidance becomes less of a player in this forecast, and decadal precipitation trends are relied on more. “this winter, temperatures will be up.

Test the forecasts for yourself! Looking at the forecast for the winter, we anticipate a la niña through the winter—and sure enough, a weak la niña is already starting to develop.