Wheat and corn harvests: why the heatwave is causing French production to drop sharply

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.

• May 11, 2026The second corn crop 2025/26 will have an increase in area, but production is expected to fall by almost 10% in Brazil.+1.4%
• Aug 29, 2023When August Heat Kept US Corn Production From Record Levels-2.8%
• Sep 2, 2021Exports to drop as crop shrinks | The Western Producer-3.0%
• Jul 25, 2022Heat takes bite out of corn, soybean and spring wheat crop condition ratings - Pro Farmer-0.8%
• Aug 4, 2026Heatwaves take their toll on EU grain production - Grain Central-0.5%

After 1,072 past bullish weather events, WHEAT moved a median +0.2% over 5 sessions (55% higher; middle half -1.4% to +2.3%), and +0.3% over 20.

• Jul 17, 2026France's wheat production to fall after heatwaves push early harvest - RFI+3.8%
• Jun 19, 2018Wheat production forecasts diminishing | The Land | NSW-0.7%
• Jul 13, 2024French soft wheat harvest slow and crop rating slips - Markets - Business Recorder-3.2%
• Aug 3, 2018Chart: Heat Wave Impacts EU Wheat Production | Statista+3.3%
• Jun 17, 2022Heatwave Poses Risks for French, Spanish Wheat as EU Harvest Nears-3.4%