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The University of Missouri Extension lowered its soybean yield predictions after a prolonged heat wave, with northern Missouri hit hardest. Declining soil moisture and drought stress are affecting late-planted soybeans in key reproductive stages.
Drought stress during pod set and seed fill reduces soybean yields, which supports soybean and meal prices. The impact is regional, so the national price effect is limited.
extension.missouri.eduAug 14, 2026After 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 453 past bullish weather events, Soybean Meal moved a median +0.5% over 5 sessions (55% higher; middle half -1.6% to +2.7%), and +0.5% 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.
