The 2026 El Niño is set to make new extreme weather patterns. Forecasting models lack the capability to anticipate these patterns at this time. It will likely bring conditions that vary from past seasons. Forecasters note the lack of data makes it harder to guess storms, droughts, and heatwaves. Scientists watch sea surface temperatures in the Pacific. They anticipate impacts arriving over the subsequent period. Without good predictions, governments and communities must remain vigilant to various effects. Researchers seek to upgrade their systems as new data becomes available. Right now, uncertainty is the primary aspect of the 2026 El Niño.