Super-Strong El Niño Looms in 2026, Raising Global Weather Risks

U.S. National Oceanic and Atmospheric Administration (NOAA) announced that the current El Niño—a natural warming of the equatorial Pacific—has an 81 percent chance of reaching the “very strong” category, the highest level used since NOAA began tracking events in 1950. Formed in June 2026, the system has already moved from a weak to a moderate stage and shows no sign of slowing, with ocean temperatures in key Pacific regions at or near record highs for this time of year.

The Independent

El Niño events redistribute heat from the tropical Pacific into the atmosphere, altering weather patterns worldwide. The phenomenon is often described as a planetary “thermostat.” This cycle follows a multi-decadal trend of rising baseline ocean temperatures driven by fossil-fuel combustion, meaning each new event occurs on a warmer backdrop than its predecessors.

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• Emily Becker, a University of Miami scientist on NOAA’s forecast team, characterizes the development as “pretty extreme.”

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• Daniel Swain, climate scientist with the University of California Agriculture and Natural Resources, warns it is “not a run-of-the-mill El Niño.”

Associated Press

• Michael Tippett, atmospheric scientist at Columbia University, notes that model outputs are “close to unprecedented.”

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• Zeke Hausfather, climate scientist monitoring model runs, says the consensus is shifting toward an even stronger event.

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• Zack Labe, Climate Central researcher, cautions that a strong El Niño would raise the odds of new climate records over the next 6-12 months.

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Meteorologists expect the most pronounced effects during the Northern Hemisphere’s fall and winter. Anticipated changes include:

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• North America – wetter winters for much of the southern United States and milder, warmer conditions for the northern United States and Canada.

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• Atlantic Hurricane Season – Colorado State University has sharply lowered its storm count forecast, citing increased confidence in a strong El Niño that typically suppresses Atlantic cyclogenesis.

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• Asia & Pacific – drier conditions in Indonesia, a warmer and wetter eastern Pacific, and potential reductions in rice yields across India and other Asian regions, which could pressure food prices.

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• Global Heat – the World Meteorological Organization (WMO) warns of heightened risk for both land-based heatwaves and marine heatwaves, with temperature and precipitation outlooks matching classic strong-El Niño patterns for July-September.

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NOAA’s monthly update emphasizes that while a “very strong” El Niño does not guarantee more extreme weather, it markedly raises the likelihood of such events. The WMO’s Secretary-General, Celeste Saulo, issued a statement that El Niño conditions are already underway and are forecast to strengthen rapidly, intensifying heat-wave risks worldwide. The agency is coordinating with United Nations partners to prepare humanitarian responses for regions projected to face flooding, drought, or agricultural stress.

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Scientists highlight a major “wild card”: the unprecedented background warming from human-caused climate change. While models suggest higher probabilities for a record-strong El Niño, experts acknowledge that the interaction between the event and an already hot planet could modify typical teleconnections, making precise impact forecasts uncertain.

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• 81 % probability of a “very strong” El Niño by fall (NOAA).

The Independent

• Ocean temperatures in the central and eastern Pacific are at or near record highs for June 2026.

Associated Press

• The 1997-1998 El Niño, a historical benchmark, caused 23,000 weather-related deaths and incurred government costs up to $45 billion (World Bank).

Associated Press

• “It’s pretty extreme,” — Emily Becker, University of Miami scientist

Associated Press

• “This is not a run-of-the-mill El Niño.” — Daniel Swain, University of California Agriculture and Natural Resources

The Independent

• “I think it’s fair to say that, depending on [the] model, the forecasts are close to unprecedented,” — Michael Tippett, Columbia University atmospheric scientist

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• “The consensus is definitely shifting towards an even stronger event,” — Zeke Hausfather, climate scientist

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• “El Niño conditions are already underway and are forecast to strengthen rapidly into a strong event,” — Celeste Saulo, WMO Secretary-General

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NOAA will issue weekly updates through the peak season, while the WMO plans to release detailed regional risk assessments in August 2026. Governments and disaster-response agencies are urged to incorporate the evolving forecasts into preparedness plans for the anticipated winter weather extremes.

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