
Scattered rains may delay some Grain Belt harvest into early October, but little rain is expected from the eastern Dakotas to Kansas and southern Illinois, letting harvest progress quickly. Less rain is forecast for the week ending Oct.
12. North-central Argentina needs rain and wider dryness is expected in early October, while southeastern Brazil may see relief but some areas may need replanting.
Dry conditions speed US harvest, adding near-term supply, while Argentine and Brazilian dryness raises risk to planting and yields of the South American crops, supporting soybean and corn prices.
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.