USDA's Prospective Planting and Grain Stocks report out on March 29 drove the market higher. USDA says farmers intend to plant more soybeans than corn for the first time since 1983. There was a gap between the trade expectations and what USDA reported.

Today, USDA releases data on soybean crush, corn crush and crop progress.

It's going to be a cold, wet and in some cases, snowy, start to spring with snow predicted in the Dakotas today. The southwest Plains are expected to stay dry, which could impact wheat prices.