CBOT Trends-Wheat up 8-12 cents, corn up 3-7 cents, soybeans up 1-4 cents

CHICAGO, May 20 (Reuters) - The following are U.S. expectations for the resumption of grain and soy complex trading at the Chicago Board of Trade at 8:30 a.m. CDT (1330 GMT) on Tuesday.

WHEAT - Up 8 to 12 cents per bushel

• CBOT wheat futures higher on short-covering and technical buying after an unexpected drop in U.S. crop condition ratings and further U.S. dollar weakness.

• Actively traded CBOT July wheat WN25 was up for the fifth time in six sessions and touched nearly a two-week high during overnight trading.

• The U.S. Department of Agriculture on Monday said 52% of the U.S. winter wheat crop was in good to excellent condition as of Sunday, down two points from last week and below trade expectations.

• CBOT July soft red winter wheat WN25 was last up 10-1/4 cents at $5.39-1/4 per bushel. K.C. July hard red winter wheat KWN25 was last up 11-1/4 cents at $5.34 a bushel, while Minneapolis July spring wheat MWEN25 was last up 8-3/4 cents at $5.94-1/4 a bushel.

CORN - Up 3 to 7 cents per bushel

• Corn futures higher on short-covering as heavy rains across the Midwest delayed planting.

• The USDA said 78% of the U.S. corn crop was planted as of Sunday, five points ahead of average.

• Heavy rains this week are expected to sideline planters for several days, but the rains are recharging soil moisture reserves in dry areas of the Midwest, analysts said.

• CBOT July corn CN25 was last up 6-1/4 cents at $4.53-3/4 per bushel.

SOYBEANS - Up 1 to 4 cents per bushel

• Soybeans firmer on Argentine production concerns and spillover support from rising corn and wheat. Demand concerns amid an ongoing tariff battle with China capping gains.

• Argentina's soy crop could suffer "significant losses" in northwestern Buenos Aires province due to recent heavy storms, the Buenos Aires grains exchange said on Monday,

• The USDA said 66% of the U.S. soybean crop was planted as of Sunday, well ahead of average. Rains this week are expected to stall planting in most of the Midwest.

• CBOT July soybeans SN25 were last up 1-3/4 cents at $10.52-1/2 per bushel.