By
The report should show 64 percent of the US corn crop and 61 percent of the soybean crop rated in good to excellent condition. Both figures would be down 1 percentage point from the previous week.
For spring wheat, the average estimate was 34 percent good to excellent, down from 35 percent a week earlier.
The USDA was scheduled to release its next weekly update at 3 p.m. CDT (2000 GMT) on Monday.
The US winter wheat harvest was seen as 78 percent complete, up from 67 percent a week ago.