
Research using in-season weather data finds that weather variability alone explains more than 75% of corn yield variation in several areas of the central Corn Belt. The study supports using weather observations to forecast yields during the growing season.
The article is a research summary with no new supply event.
Better in-season yield forecasting helps buyers anticipate supply changes, but this research does not shift near-term prices on its own.
After 445 past neutral weather events, Corn moved a median +0.1% over 5 sessions (52% higher; middle half -1.4% to +1.6%), and +0.7% over 20.
After 324 past neutral weather events, Soybeans moved a median +0.0% over 5 sessions (52% higher; middle half -1.4% to +1.7%), and +0.7% 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.