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Forecasters Warns 2026 El Niño Could Shatter All Records
Forecasters say it could become the strongest on record, with NOAA giving a 4-in-5 chance of a very strong event by year-end.
A potentially record-setting El Niño is strengthening in the Pacific Ocean, with current data confirming it will be a major driver of global weather in 2026/2027.
During El Niño, trade winds weaken, pushing warm water east toward the Americas; University of Tartu climate science professor Piia Post explained this process releases energy that raises global temperatures.
Ocean temperatures are running about half a degree warmer than the 1997 and 2015 events at the same stage, while the Niño 3.4 region could reach temperatures up to 3.6 degrees above normal.
National Oceanic and Atmospheric Administration 's Climate Prediction Center meteorologist Johnna Infanti predicts above-normal precipitation across the Southern U.S. during fall and winter, increasing flood risks in the Gulf States and Southeast to Mid-Atlantic.
Peak intensity is likely to arrive in late fall or early winter, as NOAA estimates a 97 percent chance the event will persist into early spring 2027 with an 81 percent probability of becoming very strong.