Overnight trading has seen a decrease in soybean and grain futures due to forecasts of favorable weather in the U.S. and South America. The U.S. Department of Agriculture anticipates a record soybean production in Brazil and an increase in Argentina's production. However, sales of corn and beans to overseas buyers have dropped week-to-week, while wheat sales have improved. The National Weather Service predicts rainfall in parts of the southern Plains, but extremely dry conditions in central Kansas could increase the risk of wildfires.