Climate.gov gives a 91% chance of La Niña through September-November and 80% through November-January, which would make this a rare third straight winter. Gro Intelligence says the pattern tends to bring drought to Brazil, Argentina and the US, and flags reduced Argentine wheat plantings and possible Brazilian corn and soybean losses.
Expected dryness in key South American and US growing areas raises the risk of smaller corn, soybean and wheat supplies, which supports feed grain and meal prices.
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.
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.
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.
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.