Soybeans near three-week low, corn falls on US weather outlook

Chicago soybeans slid to their lowest in almost three weeks on Thursday, while corn lost more ground as forecasts of crop-friendly weather in the U.S. Midwest added pressure on prices.

Wheat rose on concerns over Black Sea supplies amid ongoing attacks on vessels and grain handling facilities in Russia and Ukraine.

"U.S. weather is forecast to be a little bit wetter, which is taking some weather risk premium out of the market," said one grains trader in Singapore.

The most-active soybean contract on the Chicago Board of Trade (CBOT) Sv1 fell 0.2% to $11.90-1/4 a bushel by 0216 GMT, having dropped to its lowest since July 10 earlier in the session, and corn Cv1 gave up 0.4% to $4.70 a bushel. Wheat Wv1 rose 0.5% to $6.64 a bushel.

In the U.S. Midwest, forecasters are predicting rain near the end of the week, which is vital for soybean and corn crops.

Concerns over Black Sea exports were reinforced after three major Russian grain terminals restricted truck deliveries, citing heightened shipping risks following recent attacks and changes to grain flows after restrictions in the Sea of Azov.

Russia struck the Ukrainian capital of Kyiv with ballistic missiles in the early hours of Thursday, Mayor Vitali Klitschko said in a Telegram post, asking people to seek shelter.