Western Corn Belt Yields Shine as Eastern States Struggle With Impact of Disease, Dryness

After 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.

• Dec 4, 2023Yields surprise in dry sections of Corn Belt - Brownfield Ag News+1.7%
• Sep 20, 2021Farmers Weigh in on Early Corn, Soybean Yields as Harvest Gets Underway-4.3%
• Nov 1, 2023I-80 Harvest Tour: Widespread Drought in Minnesota Cuts Yields, But Corn Still Better Than Expected - AgWeb-0.1%
• Oct 31, 2024Wheat Futures Lose Ground as Rainfall Eases Dryness+2.2%
• Jun 7, 2017Corn yields still project above trend-line - Brownfield Ag News+0.6%

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.

• Jun 11, 2019In-season weather data give reliable estimates of corn and soybean yields | South Dakota Business+6.3%
• Jun 30, 2026A Tale of Two Corn Belts: Drought Grips the West as the East Stays Soggy | American Ag Network+7.9%
• Feb 1, 2023Contrasting impacts of dry versus humid heat on US corn and soybean yields-1.5%
• Jun 21, 2021Drought Stress: When Does it Start Stealing Yield from Corn and Soybeans?-4.7%
• Nov 21, 2025Weather challenges impact 2025 soybean yields+1.4%