La Nina 2025-25 Calendar. Prognostic discussion of sst forecasts. The rapid subsurface temperature changes have prompted the climate prediction center to issue an official la niña watch, which is the cold phase of the enso.

In an update thursday, forecasters explain there’s a 71% chance la niña conditions will emerge sometime between september through november and last through the winter months. La niña’s typical influence on the winter in the lower 48.