First it was heat and drought in Russia. Then it was heat and too much rain in parts of the American Corn Belt. Extreme weather this year has sent grain prices soaring, jolting commodities markets and setting off fears of tight supplies that could eventually hit consumers’ wallets.
A wild card in the export market is China, which has not historically been a significant buyer of American corn. China surprised experts when it made some purchases earlier this year, but it is not clear if it will be a major buyer of the current crop.