El Niño to Make 2026 Among Hottest Years: UN
El Niño to Make 2026 Among Hottest Years: UN
US · Published Nov 10, 2026
• The United Nations has reported that 2026 is on track to be one of the four hottest years on record, driven by an unusually strong El Niño event. According to the World Meteorological Organization (WMO), global average surface temperatures from January to September 2026 were approximately 2.65°F (1.47°C) above pre-industrial levels. This El Niño, which has been intensifying since August, is expected to peak by December and persist into early
• The phenomenon is releasing heat from the ocean, which is currently at its warmest levels ever recorded. The WMO warns that this event will act as a “risk multiplier,” exacerbating extreme weather events such as heatwaves, tropical cyclones, and heavy rainfall. The World Health Organization (WHO) has classified the health impacts of this extreme heat as a health emergency for the first time. The report was released during the COP31 climate conference.

Impact & Risks

The ongoing El Niño is expected to have widespread impacts, including extreme heat, drought, and flooding in various regions. In the U.S., the South and California could experience increased rainfall, raising the risk of flooding, while the Mississippi River basin may also face heightened flood risks. Additionally, disruptions to agriculture, supply chains, and infrastructure are anticipated, with potential economic losses similar to the $4 trillion impact of the 2015-16 El Niño. Vulnerable communities, particularly low-income neighborhoods, are likely to bear the brunt of heat-related illnesses, poor air quality, and rising energy costs. Globally, regions such as Latin America, eastern and southern Africa, Asia, and the Pacific are expected to face severe challenges.

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