Corn futures are lower at midday. Profit-taking on last week's rally and weather forecasts for some improved planting conditions this week are weighing on the market. Traders are looking for USDA to report planting progress at 35%-40% complete, still below normal but up from 22% last week. July is 5 1/2 cents lower at $4.07 3/4 and December is 5 1/4 cents lower at $4.28.

Soybean futures are trading higher at midsession. Tight old-crop stocks and strong export demand are supporting the market. In addition, production estimates for Argentina's soybean crop continue to decline. USDA will report planting progress numbers this afternoon and traders are looking for it to be pegged at 7%-10%. July is 15 cents higher at $11.06 and November is 11 1/4 cents higher at $9.82 1/4.

Wheat futures are lower at midday. Slow export demand and forecasts for improved spring wheat planting progress in the northern Plains are weighing on the market. The weekly export inspections report showed shipments of 10.3 million bushels last week, below the pace needed to reach USDA's export forecast. USDA will update winter wheat condition ratings this afternoon and they should be improved following beneficial weather last week. CBOT July is 14 cents lower at $5.56, KCBT July is 13 1/4 cents lower at $6.01 1/2 and MGE July is 17 cents lower at $6.67 3/4.

Cattle futures are trading higher at midsession. The market is rebounding from technically oversold conditions. Futures were pressured last week by spillover weakness in hogs and declining cash bids and boxed beef prices. However, there is optimism for improved seasonal demand this week with improved weather in the eastern U.S. June is 5 cents higher at $82.15 and August is 20 cents higher at $82.23.

Lean hog futures are trading lower at midday. Reports that a herd of pigs in Canada has contracted the H1N1 virus from a human sent futures lower. The market remains concerned about the flu outbreak as many countries have banned imports of pork from the U.S. or at least from some states. Cash hog bids are lower this morning as packers worry about the ability to move pork. June is 88 cents lower at $64.70 and July is 83 cents lower at $67.55.