Corn futures are expected to open 1 to 1 1/2 cents lower Monday after slipping 3/4 to 1 3/4 cents in the overnight trading session. Weekend rainfall in South America will weigh on the market. The dollar strengthened overnight so we may see less speculative enthusiasm for commodities Monday.

Soybean futures are called to 4 to 7 cents lower on the open Monday after falling 2 1/2 to 6 cents in the overnight trading session. Dry areas of southern Brazil received some heavy rainfall Sunday. Even though it is too late to reverse crop losses, the rains will wash out some of the speculative longs.

Wheat futures are called 3 to 5 cents lower after falling 3 1/2 to 4 1/4 cents in the overnight electronic session. Weakness in the soybean market will set the tone. Snow in the forecast for tonight into Tuesday in the southern Plains will contribute to the selling pressure.

Cattle futures are called 25 to 50 points higher on Monday. Strong cash markets and forecasts for heavy snow in the southern Plains will provide support. However, uncertainty over the pending National Meat Association appeal to reopen the Canadian border will keep the market nervous

Lean hog futures are called mixed with a weak tone in the cash market likely to weigh on the April contract while the deferred futures will find technical support following sharp gains on Friday. The nearby contract may turn higher Monday after the cutout value climbed $1.36 Friday afternoon.