The 2026 El Niño is set to cause unprecedented extreme weather patterns. Forecasting models are unable to forecast these patterns currently. It will probably introduce conditions that differ from past seasons. Forecasters indicate the lack of data makes it more difficult to predict storms, droughts, and heatwaves. Scientists monitor sea surface temperatures in the Pacific. They look for outcomes emerging over the coming months. Without good predictions, governments and communities need to stay alert to various effects. Researchers hope to improve their tools as new data is gathered. Right now, uncertainty is the primary aspect of the 2026 El Niño.