CBOT wheat futures choppy on beneficial weather, lower crop ratings

CHICAGO, May 30 (Reuters) - Chicago Board of Trade wheat futures traded both sides of unchanged on Friday, pressured by favorable weather in the U.S. Plains, but supported the U.S. Department of Agriculture's lower than expected crop ratings earlier in the week.

• CBOT July soft red winter wheat WN25 traded flat at $5.34 per bushel.

• K.C. July hard red winter wheat KWN25 ended up 1-1/2 cents at $5.33-1/4 a bushel.

• Minneapolis July spring wheat MWEN25 added 10 cents to finish at $6.25-1/2 a bushel.

• For the week, July soft red winter wheat WN25 fell 1.6%.

• The USDA reported weekly export sales of wheat in the current marketing year at -128,800 metric tons, in line with trade expectations.

• A Reuters poll of analysts estimated that the USDA would report wheat export sales for the week ended May 22 at -200,000-100,000 metric tons. USDA/EST

• Rains in the U.S. central and southern Plains aided soil moisture this week, according to weather forecaster Vaisala. Meanwhile, relatively dry weather across the Midwest and northern Plains favored spring wheat planting.

• The dollar was mixed on Friday as investors factored in the likelihood of trade tariffs remaining in some form, even as U.S. President Donald Trump faces a court battle over his authority to impose them.