Corn futures are called 1 to 2 cents lower. Overnight trade was 1 1/4 to 2 cents lower. Traders will be gearing up for USDA's September Production report due out on Tuesday morning. Prices are expected to open slightly lower as pre-report estimates calls for the crop to be pegged at 10.996 billion bushels, up 20 million bushels from last month.

Soybean futures are called 2 to 3 cents lower. Overnight trade was 2 3/4 to 3 1/4 cents lower. Ideas that USDA will raise their production estimate on Tuesday morning is expected to weigh on the market. The average analyst production estimate is 3.093 billion bushels, up 165 million from last month.

Wheat futures are called 1 to 2 cents lower. Overnight CBOT trade was 2 1/4 to 2 3/4 cents lower and the KCBT was 1/4 cents lower to 1/2 higher. The lower open is expected due to the sluggish demand for U.S. wheat and some additional precipitation in HRW wheat belt over the weekend. However, ideas for bullish revisions to the world supply/demand number on Tuesday from the USDA should help limit losses and could cause some choppy trade.

Cattle futures are called steady to lower. Cash trade was limited on Friday with prices believed to be near steady. Packers will need supplies this week, but showlists should be larger as well. The reversal on weekly charts last week is expected to attract some follow-through technical selling this morning.

Lean hog futures are called steady to lower. Cash markets are expected to be mostly lower today following the $1.21 drop in pork cutouts Friday. The recent strong slaughter pace and increased pork has pushed cutout values to the lowest level since mid-August.