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Expana Markets analyses how a possible 2026/27 super El Niño could affect commodity markets. NOAA has raised El Niño Watch status since March and forecasts are still within the less reliable spring predictability barrier.
The analysis describes typical El Niño weather impacts on drought, floods and heatwaves across crop regions.
Possible drought and flooding in major crop regions in 2026-27 could reduce supply and raise prices for corn, soybeans and wheat if the event strengthens as forecast.
expanamarkets.comJames TylerMay 21, 2026After 1,465 past bullish weather events, Corn moved a median +0.2% over 5 sessions (54% higher; middle half -1.4% to +1.9%), and +0.9% over 20.
After 1,079 past bullish weather events, Soybeans moved a median +0.3% over 5 sessions (54% higher; middle half -1.4% to +2.0%), and +0.9% over 20.
After 1,072 past bullish weather events, Wheat (SRW) moved a median +0.2% over 5 sessions (55% higher; middle half -1.4% to +2.3%), and +0.3% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
