Iowa's Record-Breaking Heatwave: Impact on Corn and Soybean Harvest (2026)

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.

• Jul 23, 2021How record heat could affect the U.S. corn and soybean markets - DTN-1.1%
• Jan 29, 2026Heat wave hits Argentina, threatening corn and soybean crops-0.3%
• Jul 17, 2026IGC Reports Heatwaves in Europe Lower 2026/27 Global Cereal Harvest; Soybean and Rice Outlooks Adjusted | Tridge Insights+3.6%
• Apr 6, 2026Climate concerns second corn crop and soybean harvest advances to 82% in Brazil-1.8%
• Dec 11, 2020Farsul projects 2020/2021 harvest with new drop in corn and recovery in soybeans - Revista Cultivar+1.9%

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.

• Jul 23, 2021How record heat could affect the U.S. corn and soybean markets - DTN+1.3%
• Jan 29, 2026Heat wave hits Argentina, threatening corn and soybean crops+1.6%
• Jul 29, 2023Are Farmers Losing Yield? The High Heat's Potential Impact on Midwest's Crops | Iowa Soybean Research Center-2.9%
• Jan 6, 2022Heatwave to hit Argentina, further stressing corn, soybean crops | Reuters+0.5%
• Jul 1, 2026July Heat Wave Puts Midwest Corn and Soybeans Under Pressure+7.0%