WASHINGTON - The U.S. Department of Agriculture (USDA) released its latest Agricultural Weather Highlights on Tuesday, July 7, warning that extreme heat, drought and wildfire threats are intensifying across several key farming regions while corn and soybean crops enter critical reproductive stages. The report matters because weather conditions during July play a decisive role in determining final yields, grain supplies and commodity prices, making this one of the most closely watched periods of the 2026 growing season.

Across the Western United States, isolated thunderstorms are combining with hot temperatures, low humidity and strong winds, creating elevated wildfire risks despite producing little rainfall. USDA meteorologists warned that temperatures will approach 100°F in eastern Washington and exceed 110°F in parts of the Desert Southwest, increasing stress on vegetation and raising concerns over fire ignition. Meanwhile, scattered showers continue to provide limited moisture from the Great Basin to the northern Rockies, although forecasters say precipitation remains insufficient to eliminate growing dryness across many western production areas.

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Conditions across the Corn Belt remain comparatively favorable despite the expanding heat. USDA reported that only western production areas such as Nebraska and South Dakota are expected to exceed 90°F, while much of the Midwest continues to experience temperatures supportive of reproductive crop development. As of July 5, 16% of the U.S. corn crop had reached the silking stage, slightly ahead of the five-year average of 14%, while 34% of soybeans were blooming, compared with the historical average of 28%. National crop ratings also remain encouraging, with 67% of corn and 64% of soybeans classified as good to excellent, signaling solid production potential if favorable weather continues.

The situation is far more challenging across parts of the Great Plains, where drought continues to weigh heavily on winter wheat. Although showers are benefiting spring crops in Montana and North Dakota, USDA's final winter wheat condition report shows 47% of the national crop rated very poor to poor. Nebraska stands out as the hardest-hit state, with an alarming 93% of its winter wheat falling into those lowest condition categories. Meanwhile, persistent moisture deficits also remain a concern in the Atlantic states, where topsoil moisture shortages continue affecting agricultural land in North Carolina, Virginia and South Carolina.

Looking ahead, USDA expects a cold front to move through the northern Plains, Midwest and central Plains later this week, bringing additional showers before cooler air temporarily moderates temperatures across key crop areas. However, the agency's 6-to-10-day outlook projects above-normal temperatures across most of the United States, with the exception of New England, while rainfall is expected to remain near or above average in much of the country but below normal across portions of the northern and central Plains. For grain markets, the forecast reinforces that weather will remain the primary driver of volatility, as farmers navigate one of the most important periods of the growing season.