Diesel prices and tight storage squeeze grain markets

Washington, D.C., October 30, 2026. Higher diesel prices are driving up costs for agricultural transportation even as demand for grain shipments stays strong. The USDA projects fall grain supplies will be 4 percent above recent averages, including carryover stocks and new crops of corn, soybeans, and sorghum.

Barge transportation costs rose 50 percent during the third quarter, and ocean freight rates also increased. USDA economists warn that strong shipping demand, higher fuel prices, and global transportation risks could keep freight costs elevated for the remainder of the season.

Grain elevators face additional financial strain. CoBank reports that rising grain prices and interest rates make crop storage more expensive. Financing $5 corn requires more capital than $3 corn, a burden that weighs heavily on elevators holding millions of bushels. Wheat faces the greatest financing pressure, while soybeans offer limited returns on storage.

Limited storage space forces many facilities to move crops faster to remain profitable this year. Kansas State University grain specialist Guy Allen notes that storage pressure varies by state. Missouri is facing a tight space situation with 117 percent of grain looking for capacity, making it an overflow point for the region.

Kentucky stands at about 113 percent of capacity, while Ohio is at about 110 percent. Indiana and Iowa range from 109 to 108 percent. Illinois and Nebraska currently have space that matches available storage almost exactly.

Kansas, the Dakotas, and Minnesota remain below 100 percent of available storage capacity, offering some relief in those specific areas compared to the Midwestern states facing overflow conditions.