The expected strengthening of El Niño in the second half of 2026 is raising concerns about water stress for Brazil’s upcoming summer soybean and corn crops. The article says irregular rainfall and higher temperatures could hinder crop establishment, root development, pollination, and grain filling.
If the weather risks materialize, lower yields could tighten Brazilian soybean and corn supplies and support prices; the impact remains uncertain because planting and crop development are still ahead.
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 1,465 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.
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.