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Corn, soybean and wheat futures closed lower on June 18 on technical selling, favorable forecasts of rainfall for the Midwest and Plains, and caution ahead of the Juneteenth holiday. The declines came despite fresh export sales and supportive demand indicators.
Expected rainfall reduces crop stress premiums, so near-term grain prices are likely to stay pressured unless weather risks re-emerge or export demand firms.
agrolatam.comEmily TraskJun 19, 2026After 357 past bearish weather events, Corn moved a median -0.3% over 5 sessions (44% higher; middle half -2.2% to +1.3%), and -0.5% over 20.
After 363 past bearish weather events, Soybeans moved a median -0.6% over 5 sessions (42% higher; middle half -2.5% to +1.1%), and -0.2% over 20.
After 70 past bearish weather events, Wheat (HRW) moved a median -0.6% over 5 sessions (41% higher; middle half -3.9% to +2.5%), and -1.1% 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.
