Winter Forecast 2025 23. 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. As noted above, the favored development of la niña conditions approaching the winter and consistent dynamical model forecast guidance is the basis for the.

The 2025 almanac predicts a winter with a “heart of cold,” forecasting big freezes and heavy snowfall in the central provinces. Climate forecast system screening multiple linear regression tool probability of exceedence