Nearly 100% is the probability that El Niño will persist during September-November 2026 and December 2026-February 2027, according to seasonal forecasts from WMO Global Producing Centres for Long-Range Forecasts.
Organización Meteorológica Mundial (2026)
Organización Meteorológica Mundial. (2026, September 3). El Niño/La Niña Update (August 2026). https://wmo.int/resources/publication-series/el-ninola-nina-updates/august-2026