SINGAPORE, Aug 24 (Reuters) - Chicago wheat rose on Thursday, gaining for a third consecutive session as dry weather in the U.S. spring crop areas and the latest Russian attack on a Ukrainian grain port supported prices.

Soybeans and corn extended gains amid forecasts for hot and dry weather in the U.S. Midwest.

FUNDAMENTALS

* The most-active wheat contract on the Chicago Board of Trade (CBOT) added 0.4% to $6.42 a bushel, as of 0027 GMT. Soybeans rose 0.7% to $13.70-1/2 a bushel and corn gained 0.8% at $4.94-1/4 a bushel.

* U.S. spring wheat crop is suffering with dry weather in northern Plains likely to reduce yields.

* Russian drones struck Ukrainian grain facilities at the Danube River port of Izmail overnight in what a senior official said on Wednesday was a systematic attempt by Moscow to prevent Kyiv from exporting grain to the world.

* Deputy Prime Minister Oleksandr Kubrakov said the port's export capacity had been reduced by 15% and that 13,000 metric tons of grain had been destroyed.

* However, the market reaction has been muted because the impact on overall Black Sea supply appeared to be limited, as in previous strikes against grain infrastructure sites.

* In soybean and corn markets, hot and dry weather forecast this week for the U.S. Midwest could curb yields, although a crop tour has forecast higher output in some of the key growing areas.

* Indiana and Nebraska corn yield prospects were higher than last year, the ProFarmer Crop Tour announced Tuesday evening, but below the three-year average.

* Nebraska's soybean pod count also beat year-ago findings but fell below three-year averages, while Indiana's soybean crop potential is the strongest in five years, tour officials said.

* Soybeans were further supported by the U.S. Department of Agriculture's report of private export sales of 100,000 tons of soymeal to unknown destinations for delivery in the 2023/24 marketing year.

* In news, Argentina's farmlands planted with corn should reach an estimated 7.3 million hectares for the 2023/24 cycle, the Buenos Aires grains exchange said in a pre-season report on Wednesday, though dry conditions could delay the crop's sowing.

* Initial quality results from this year's French soft wheat harvest showed 93% of the crop with protein content above the milling requirement of 11%, up from a five-year average of 87% of the crop, farm office FranceAgriMer said on Wednesday.

* Commodity funds were net buyers of CBOT soybean, corn, wheat, soyoil and soymeal futures contracts on Wednesday, traders said.

MARKET NEWS

* The euro clung to a more than two-month low while world stocks rebounded on Wednesday, while tech darling Nvidia NVDA.O jumped 8% in trading after the bell, hitting an all-time high after it forecast third-quarter revenue well above Wall Street targets.

DATA/EVENTS (GMT) 0500 Japan Chain Store Sales YY July 0645 France Business Climate Mfg, Overall Aug 1230 US Durable Goods July 1230 US Initial Jobless Clm Weekly (Reporting by Naveen Thukral; Editing by Rashmi Aich)