WHEAT - Down 3 to 5 cents per bushel
Following corn and soybeans lower on milder forecasts for the US Midwest. CBOT September wheat matched last week's one-month low of $4.73 in early moves.
CBOT September soft red winter wheat last traded down 4-1/2 cents at $4.76-1/2 per bushel; K.C. September hard red winter wheat was down 4-1/2 cents at $4.76-1/2; MGEX September spring wheat was down 6-3/4 cents at $7.33-3/4.
CORN - Down 5 to 6 cents per bushel
Lower on forecasts for cooler weather in the US Corn Belt in August that should benefit the crop during its grain-filling period. Fresh export demand may lend underlying support.
The USDA said private exporters sold 150,000 tonnes of US corn to Colombia for delivery during the 2017/18 marketing year that begins Sept. 1, 2017.
CBOT December corn last traded down 5-1/4 cents at $3.82-3/4 per bushel.
SOYBEANS - Down 12 to 14 cents per bushel
Lower on outlooks for cooler weather in the US Midwest in August, the key yield-determining month for soybeans.
The CBOT reported 715 deliveries against August soybean futures, along with 181 soymeal deliveries and 558 soyoil deliveries.
CBOT November soybeans last traded down 14 cents at $9.99 a bushel.