【期货热点追踪】美国农产品期货齐跌，USDA月度报告即将发布，能否为谷物市场指明方向？美国中西部天气如何影响产量预期？

Core Insights - The article discusses the decline in U.S. agricultural futures ahead of the USDA's monthly report, raising questions about its potential impact on grain market direction [1] - It highlights the influence of weather conditions in the U.S. Midwest on yield expectations, which could further affect market dynamics [1] Group 1 - U.S. agricultural futures are experiencing a widespread decline [1] - The upcoming USDA monthly report is anticipated to provide guidance for the grain market [1] - Weather conditions in the Midwest are a critical factor influencing yield expectations [1]