Crop History for Dewey County, South Dakota

New: 2026 preseason crop forecast estimated

Every agricultural field in Dewey County, South Dakota now has a calibrated 2026 crop probability — corn, soybean, wheat, cotton, rice, and 16 other classes. Backtest accuracy: F1 ≈ 0.76 corn, ≈ 0.79 soy. View 2026 forecast on the map →