The 2026 El Niño is poised to make unprecedented extreme weather patterns. Forecasting models lack the capability to anticipate these patterns currently. It will probably introduce conditions that are unlike 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 many impacts. Researchers seek to upgrade their systems as new data is gathered. Right now, uncertainty is the main characteristic of the 2026 El Niño.