NOTE: Friday is the last trading day for CBOT September options.
WHEAT - Up 3 to 5 cents per bushel
Heading higher for second straight session on bargain-buying and short-covering following life-of-contract lows notched early on Wednesday. Abundant global grain supplies limited potential gains.
Russia's SovEcon agriculture consultancy raised its forecast for the country's 2017 grain crop.
Iraq state grains board purchased 50,000 tonnes US wheat and 50,000 tonnes Australian wheat.
US Department of Agriculture weekly US wheat export sales of 386,500 tonnes were near low end of analyst estimates.
CBOT December soft red winter wheat last traded up 3-1/4 cents at $4.33-1/4 per bushel, K.C. December hard red winter wheat was up 2-3/4 cents at $4.28-1/2 while MGEX December spring wheat rose 5 cents to $6.62.
CORN - Flat to up 1 cent per bushel
Benchmark December contract narrowly higher on short-covering after hitting contract low of $3.55-1/4 overnight.
Crop scouts on Farm Journal Midwest Crop Tour late on Wednesday said corn yield potential lower in Illinois and in western half of Iowa.
China's National Grain Trade Center said it sold 147,991 tonnes of 2014 corn from reserves.
Weekly US corn export sales for the 2016/17 and 2017/18 marketing seasons were within analyst estimates.
CBOT December corn last traded up 1/4 cent at $3.56 per bushel.
SOYBEANS - Up 4 to 5 cents per bushel
Soy complex firming on lower pod count findings on US crop tour as well as strong export demand and recent gains in soyoil futures.
The annual Farm Journal Midwest Crop Tour late on Wednesday said soybean pod counts declined from last year in Illinois and in western Iowa.
US weekly export sales of US soybeans of more than 2 million tonnes for the 2017/18 marketing year were sharply above expectations for 400,000 to 600,000.
USDA separately said exporters sold 132,000 tonnes of US soybeans to China within the past 24 hours.
Soyoil futures rose to nearly one-month high, extending gains in wake of Tuesday announcement that US imposed duties on soy-based biodiesel imports from Argentina.
CBOT November soybeans last traded up 4-1/4 cents at $9.42-1/4 a bushel.