The Strongest El Niño Ever

# Summary Seasonal forecast models predict the 2026-27 El Niño event will be the strongest on record, with a ~90% probability of peak temperatures reaching 3.6°C—roughly 0.8°C hotter than the previous record of 2.75°C set in 2015-16. This forecasted intensity far exceeds anything observed in 150 years of climate data, with even the weakest 20% of model predictions exceeding the prior record.