Corn, soybean and wheat futures remain higher as the mid-session mark approaches in Tuesday's session, with pre-USDA report positioning, demand and strong outside markets leading the way for the grains.

At mid-session, December corn is 2 1/4 cents higher at $7.44 1/4, while November soybeans are 10 cents higher at $15.61 and December wheat's 8 3/4 cents higher at $8.69 3/4.

• See more of the latest grain futures prices
• Soybeans rise on demand, higher outsides
• Corn up on pre-report positioning
• Wheat rises on strong demand

The monthly USDA Crop Production and WASDE reports, slated for release Thursday morning, are already getting a lot of attention in the markets, among both traders and farmers.

"I think the report will bring us bear (soybeans) and bull (corn) news," says Agriculture.com Marketing Talk senior contributor giolucas. "I think things are shifting the corn damage. Who knows? I am not going to trade this report but will wait afterwards."

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• Read more: Preview Thursday's reports