2026 Super El Niño: Forecasts, Uncertainty, and Global Implications

NOAA’s Climate Prediction Center cites an 82 % chance of a super El Niño forming between May and July 2026 and a 96 % chance it will last through the 2026-27 winter.

Arizona Republic

ENSO cycles swing between warm (El Niño) and cool (La Niña) phases every two to seven years. A rapid rise in equatorial Pacific sea-surface temperatures this spring has built a subsurface heat pool. The European Centre for Medium-Range Weather Forecasts and NOAA project anomalies near the 3 °C super-El Niño threshold, while eastward wind bursts have not yet appeared.

Arizona Republic

A super El Niño could lift temperatures enough to set a 2027 heat record. In India, weakened monsoon rains threaten water supplies. In United States, pattern may suppress Atlantic hurricanes while boosting Pacific storms, increase drought risk in Northwest, and bring wetter winter conditions to Arizona. Mississippi must still prepare for storm impacts despite lower Atlantic activity.

Newsweek

NOAA’s Climate Prediction Center cites an 82 % chance of El Niño emergence by July and a 96 % chance it will persist through winter. It also projects 8–14 named Atlantic storms, 3–5 hurricanes, and 1–3 major hurricanes, indicating below-normal activity. European Centre for Medium-Range Weather Forecasts and NOAA expect sea-surface temperature anomalies near the 3 °C super-El Niño threshold.

Clarion LedgerArizona RepublicNewsweekWXII - Winston-Salem NewsThe Straits Times

Scientists note that eastward wind bursts have not materialized, leaving the ocean-atmosphere feedback incomplete. Model ensembles can overstate warming when subsurface heat is present, urging caution before labeling the event a super El Niño.

A ‘super El Niño’? Why it’s too early to forecast one with certainty, but not too soon to prepare

NOAA cites an 82 % (or 80 %) chance of El Niño, while NASA’s SPoRT model gives 61 %. Temperature projections range from 2.5 °C (AFP) to 2.8 °C (Bureau of Meteorology) and up to 3 °C (ECMWF). Indian monsoon outlooks differ between weaker rains and above-normal precipitation. Atlantic hurricane forecasts diverge, with NOAA predicting below-normal activity and AccuWeather projecting an above-average Pacific season.

Clarion Ledger

• “When it gets really warm in this area, that's an indication of it being El Niño,” — Michael Crimmins, climatologist, University of Arizona

Arizona Republic

• “Usually, it means below-average rain in the summer, at least for central Arizona.” — Ryan Worley, meteorologist, Phoenix Weather Service

Arizona Republic

• “El Niño strengthens winds in the upper atmosphere, particularly from the west, which creates conditions that are not favorable for tropical systems to form and strengthen,” — Alex DaSilva, AccuWeather lead hurricane expert

Clarion Ledger

• “There’s definitely something coming. We’re very confident about that, and it looks like it will be a big event,” — Adam Scaife, head of long-range prediction, UK Met Office

The Straits Times

NOAA will issue a mid-June update on wind-burst activity and El Niño intensity. Researchers will continue tracking sea-surface temperature anomalies and atmospheric coupling through summer to refine risk assessments for monsoon, drought, and hurricane forecasts.

Clarion Ledger