CHICAGO, May 6 (Reuters) - Chicago Board of Trade wheat futures fell on Wednesday under pressure from tumbling oil prices, though a continued drought in the U.S. wheat belt provided a floor for wheat prices.

• Rain is forecast to hit some dry U.S. wheat zones this week, although traders said precipitation may come too late to save the crop in a few areas.

• The U.S. Department of Agriculture's weekly report said 31% of the nation's winter wheat crop was in good to excellent condition, up from 30% last week but still the lowest for this time of the year since 2023.

• A group of Oklahoma crop experts on Tuesday projected Oklahoma's 2026 winter wheat harvest at 47.799 million bushels, with an average yield of 23.11 bushels per acre, following an annual tour of the state, said Mike Schulte, executive director of the Oklahoma Wheat Commission.

• The estimates were sharply lower than the 10-year yield average of 94.499 million bushels in Oklahoma, among the top U.S. wheat-producing states.

• Traders were waiting for a meeting between U.S. President Donald Trump and Chinese leader Xi Jinping next week, which market players said could result in Chinese purchases of U.S. agricultural commodities.

• CBOT July wheat WN26 fell 10-1/2 cents to settle at $6.17-1/4 per bushel.

• K.C. July wheat KWN26 settled 3 cents lower at $6.87 per bushel.

• Minneapolis July spring wheat MWEN26 settled 4 cents lower at $6.92 per bushel.