For some folks, the most interesting thing to watch for in tomorrow's USDA/WASDE Reports will be the objective yield plot data and for others it will be harvested acreage estimates.
Re: USDA/WASDE Preview
Not holding my breath for any particular result in the upcoming reports. Still, am tired of hearing that "at some point, USDA will . . . " -- This is September, planted corn-soybean acres should be an established fact before now, they were reported to FSA in June-July. This is September, prevented corn-soybean acres should be an established fact before now, they were reported to FSA, mostly in June. This is September, late-development of corn-soybean crops should be an established fact before now, we report our plant dates when we report our acres, late planting translates to late development, and usually (if not always) reduced yields.
And, this is September, at least in my part of the world, we're usually shelling corn by now, but we're not, because much of it is still green. Plus, average first-frost date for this area is only around 30 days away.
It isn't necessary to wait until the crop is in the bin to make an honest assessment of conditions as they appear today and how that impacts anticipated harvested acres and yields based on "typical" or "average" (weather/frost) conditions the rest of the season. In fact, that is why USDA does their surveys, field inspections, etc., and puts out these reports every month.