General Comments Weather forecasts gain importance each day. Although corn planting progress across the Midwest has been impressive these last few days, the awaited rainy system is slated to move across the Dakotas and Minnesota starting tonight and slowly spread south and eastward thereafter. It will halt planting and dump enough rain that dry, warm conditions will be needed to dry things out. Fortunately, that is what is predicted following the rain. Some traders have been impressed with how quickly corn is being planted in Illinois, and from this they have interpolated national planting progress to be as high as 70 percent in USDA's next weekly crop condition report. We doubt it will be that high, especially since part of the Corn Bel...