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Tariffs, Weather, and Yield: What’s Driving Corn Futures This Month

Dan Agri-Business, Commodities, Corn, Crop Forecasts, Economy, Field Crops, USDA, USDA-NASS

Weather and Trade Take Priority Over Latest Crop Report

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In this month’s bottom-line analysis, Mark Oppold of Southeast AgNet reports that the latest USDA Crop Report is shaping up to be a non-factor for markets. Instead, the agricultural spotlight shifts to two dominant forces: short-term weather forecasts and ongoing tariff uncertainties.

Tariffs, Weather, and Yield: What’s Driving Corn Futures This Month

According to Oppold, “Corn pollination peaks next week in most areas of the Midwest,” and traders are paying close attention to any improvements in crop conditions. Another 1–2% increase in the “good-to-excellent” rating for corn in the next USDA update could place additional downward pressure on futures prices. This evolving dynamic is sidelining the traditional impact of the monthly crop report, as market participants focus on more immediate, impactful variables.

Private Forecasters and Yield Estimates Begin to Shape Expectations

As the market anticipates key developments, private crop forecasters are stepping in with early yield estimates. Every single bushel increase in corn yield is significant—adding roughly $90 million to the total value of the crop. These early estimates are critical to setting market tone before the August USDA supply and demand update.

With uncertainty around international trade policies still looming, particularly from key global buyers, export projections have become harder to predict using traditional historical data. This unpredictability makes real-time trade developments even more important in evaluating the broader market outlook.

Net Short Positions Signal Bearish Sentiment

Another key indicator to watch is speculative activity in corn futures. Net short positions hit a 10-month high this week, totaling over 205,000 contracts. This level of bearish positioning suggests widespread market expectation of either stable or increasing supply, keeping prices under pressure for the time being.

Looking Ahead

With Midwest weather, tariff decisions, and private forecasts taking the lead, farmers and traders alike are closely watching for any shift that could move the needle on corn prices. As Mark Oppold concluded, “Wishing you a profitable day.”

Stay tuned for more updates as the season unfolds.