
Iowa State climatologist emeritus Elwynn Taylor presented at the 2020 Iowa Power Show a cyclical climate model that projects a possible dust bowl around 2025. He cites NOAA 2019 data showing many locations in the top five for wetness and some for dryness.
A forecast of future drought in the Corn Belt is a long-range risk factor, but it is speculative and has no immediate price effect.
After 2,467 past weather events, Corn moved a median +0.1% over 5 sessions (51% higher; middle half -1.5% to +1.7%), and +0.6% over 20.
After 1,964 past weather events, Soybeans moved a median +0.1% over 5 sessions (51% higher; middle half -1.7% to +1.8%), and +0.3% 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.