El Nino may return in 2026 and make planet even hotter - Phys.org
The warming El Niño weather phenomenon could form later this year, potentially pushing global temperatures to record heights.
phys.orgHere’s what’s most relevant right now: several authoritative sources in early 2026 projected a renewed El Niño development mid-2026, with a 50–60% likelihood of formation between July and September 2026, and potential impacts including hotter global temperatures and altered rainfall patterns in various regions. NOAA’s ENSO outlooks and international meteorological agencies flagged this as a high-probability event that could influence weather through 2026 and into 2027. Given the timing, some forecasts also emphasized that impacts would become more evident in 2027, depending on the intensity and location of the warming.
Key takeaways
- Probability and timing: A likely return of El Niño in 2026, with forecasts centering on July–September 2026 for formation and possible intensification into 2026–2027 .
- Temperature and climate implications: El Niño tends to raise global average temperatures and can push near-term heat records higher, especially if the event is strong or a “super” El Niño develops .
- Regional rainfall and anomalies: In North America, typical patterns include wetter conditions in the southern states and drier or warmer/drier conditions in northern regions; other regions may experience shifts in drought and flood risks depending on the Pacific warming flavor (EP vs CP) and ENSO evolution .
Illustrative context
- Forecasts describe a spectrum of possible outcomes from moderate to strong El Niño, with considerable implications for winter weather, hurricane activity in the Atlantic, and global climate mitigation planning. Some analyses warn that the spring predictability barrier can affect early confidence, but skill typically improves later in the year as the pattern develops .
Would you like a concise, region-focused brief (e.g., for Chicago and the central U.S.) or a global outlook with key dates and confidence levels from NOAA and WMO? I can also pull the latest official outlook summaries and generate a short briefing with citations.