By the first week of July, the 2026 crop year has shifted from "get it planted" to "protect what is out there." USDA NASS data for the week ending June 28 showed corn development slightly ahead of normal, with 9% of the crop silking compared with the five-year average of 6%. Soybeans were also moving ahead of average, with 96% emerged, 19% blooming, and 4% setting pods, according to the latest Crop Progress report summarized by DTN and Successful Farming.
Crop condition is still broadly workable, but not bulletproof. USDA rated 67% of corn good to excellent as of June 28, down one point from the prior week and below last year's 73% rating at the same point. Soybeans were rated 65% good to excellent, also down one point from the prior week.
That combination matters operationally. Corn is close enough to pollination in early areas that heat, moisture stress, disease timing, and nitrogen availability now have a larger yield impact than small delays did earlier in the season. NOAA's Climate Prediction Center said on June 30 that a significant heat event remained favored for much of the central and eastern U.S. during the first week of July, with heat risk shifting westward and potentially lingering into the second week.
Field conditions remain highly regional. The U.S. Drought Monitor report valid June 23 said the Midwest had mostly favorable soil moisture for summer crops, but also described spotty improvement and deterioration in the upper Midwest and lingering drought intensity from abnormal dryness to severe drought in some areas. The same report noted that USDA topsoil moisture was rated surplus in Illinois, Missouri, Indiana, and Michigan, which helps explain why some growers are balancing crop stress concerns against wet-field access and compaction risk.
The Plains are in a different posture. The Drought Monitor said scattered showers helped some areas, but lingering drought continued to affect rangeland, pastures, and summer crops, while the winter wheat harvest advanced quickly between showers. USDA reported winter wheat harvest at 48% complete as of June 28, ahead of the five-year average of 39%, while winter wheat condition was only 26% good to excellent and 47% poor to very poor.
The practical question for corn growers this week is whether fields need protection or patience. University of Nebraska Extension reported tar spot was confirmed in several Nebraska counties, but at very low incidence and severity, and said treatment was not recommended at that time. Nebraska Extension advised regular scouting and reevaluation during early to mid-reproductive stages, especially in fields with prior tar spot history, frequent rainfall, or pivot irrigation.
That advice lines up with broader extension guidance on timing. University of Missouri Extension has reported that fungicide applications between VT and R3 are most likely to provide a positive return when conditions favor tar spot, while applications before VT or after R4 have not shown consistent economic benefit.
Soybean management is also entering a narrow window. Michigan State University Extension notes that late June through early July is a common timing for postemergence soybean herbicide applications, because early-season weeds continue to emerge and preemergence residual activity often lasts four to six weeks or less. MSU also warns that growers need to observe label restrictions and crop-stage precautions as soybeans approach flowering.
Heat complicates those spray decisions. Badger Crop Network reported on June 29 that very hot Wisconsin weather was generating questions about postemergence herbicide applications in soybean, and University of Wisconsin Extension has emphasized timing, weather, tank mixes, and stewardship for postemergence weed control, especially where waterhemp and herbicide resistance are concerns.
Input prices add another layer to every pass across the field. USDA Agricultural Marketing Service's Illinois Production Cost Report from June 26 listed distributor asking prices averaging $1,057.50 per ton for anhydrous ammonia, $752.50 per ton for urea, $550 per ton for 28% liquid nitrogen, $880 per ton for DAP, $905 per ton for MAP, and $499.58 per ton for potash.
Retail fertilizer prices have eased recently, but the relief is uneven. DTN reported on June 17 that most major fertilizers were lower for the first time since early February, with urea down 12% from the prior month at $764 per ton and UAN32 down 5% at $569 per ton. DTN also reported DAP at $909 per ton, anhydrous at $1,092 per ton, and UAN28 at $531 per ton.
That means late-season nitrogen, rescue herbicide passes, and fungicide decisions are not just agronomy calls. They are margin calls. American Farm Bureau reported last week that USDA's updated cost-of-production estimates raised fertilizer expense projections for every major field crop for the 2026 growing season, even though some fuel and fertilizer relief is projected for 2027.
The best posture for the next ten days is disciplined scouting. Corn that is nearing tassel should be checked for disease, nitrogen stress, uneven stands, and root development before spending money on a blanket pass. Soybeans should be walked for weed escapes, herbicide injury, flowering stage, and canopy closure before postemergence herbicide decisions are finalized. Those management priorities are consistent with current extension reports from Iowa State, Nebraska, Wisconsin, Michigan State, and Missouri.
July will not treat every farm the same. NOAA's week-two outlook issued June 30 included slight risks of extreme heat across parts of the Great Basin, Northern Intermountain, Rockies, Southwest, and Great Plains from July 8-10, plus a slight risk of heavy precipitation in parts of the Mid-Atlantic and Southeast from July 8-10.
For operators, the message is simple: the crop is mostly established, but the easy decisions are over. The next pass should be based on growth stage, field history, weather forecast, pest pressure, and input cost, not habit. USDA's latest condition ratings say the crop still has strong potential; the next few weeks will determine how much of that potential growers can hold.