This text is for information purposes and is based on April 2026 forecasts from the Climate Prediction Center (CPC) and the World Meteorological Organization (WMO). How this might impact the water supply?
Southern California is likely to see above-normal rainfall, which can lead to increased risks of flooding.
El Niño is a natural phenomenon characterized by the warming of ocean surface temperatures in the central and eastern tropical Pacific Ocean. As this warmth spreads, it alters atmospheric pressure and winds, shifting climate patterns worldwide. Key Impacts for California
El Niño often brings warmer temperatures to the region.