The Sunday night session traded slightly higher until prices turned lower early this morning, led by wheat. Markets then opened the day session lower and turned weaker, probably for the following reasons:

Rains will be heavy across much of the Corn Belt over the next three to four days, but the six-10 and eight-14 day weather forecasts (see below) have finally turned much drier. That will eventually allow harvest progress to resume following two weeks of very wet weather.

Everyone expects Thursday’s USDA reports will be bearish. There was a story early this morning from Russia that it will sell at least 1.5 MMT of the 3 MMT available from its grain reserves.

U.S. commodity and equity markets were open today. However, USD...