The summer 2026 weather outlook released by the National Weather Service on April 16 covers the May through July period and projects warmer than average temperatures across the majority of the lower 48 states. The highest probabilities for above-normal heat are concentrated in the central Rockies and the southern Appalachian range. The upper Midwest is currently the only region not expected to see a warmer than average summer. Compared to last month’s forecast, the zone of elevated temperature probability has expanded northward, suggesting the warmer pattern is becoming more established as spring progresses.
For farmers across the Corn Belt entering the critical early weeks of the planting season, the temperature outlook is relevant but not alarming on its own. Heat in May and June can accelerate crop development, which is advantageous for corn pollination timing as long as adequate soil moisture is available. The key question is whether above-normal temperatures will coincide with adequate rainfall, and the seasonal outlooks provide some guidance on that question as well.
Summer 2026 weather outlook shows drought risk for the West, relief expected in parts of the Southeast
The seasonal drought outlook projects that drought conditions are likely to persist across the West through summer, and that areas not currently experiencing drought may develop drought-like conditions if the forecast patterns hold. That is a concerning picture for Western rangeland and irrigated agriculture, where summer water availability is already constrained by below-average mountain snowpack in several regions. The Northwest Interior faces the highest probability of below-average precipitation, compounding an already dry outlook for that area.
The Southeast presents a more mixed picture. Some pockets of drought relief are expected in parts of the region, though the southern Appalachian hill farms are not expected to benefit from that relief. Those locations face a double pressure from the forecast: very high probability of above-average temperatures combined with no expected improvement in drought conditions. For specialty crop producers in that region — orchards, vineyards, and vegetable operations — the combination of heat and continued moisture stress could be the most challenging agricultural weather scenario in the current outlook. For broader context on what dry conditions have already done to the 2026 crop season in some southern states, Agroinformacion covered the extreme drought conditions affecting Florida agriculture in early spring 2026.
Midwest farmers get a relatively favorable read from the summer 2026 weather outlook
The most agriculturally significant element of the summer 2026 weather outlook for row crop producers is the drought component for the Midwest. Despite the probability of above-average temperatures, the seasonal outlook does not indicate that the Corn Belt is expected to develop drought conditions in early summer at this time. That represents a relatively favorable baseline for corn and soybean production, where the 2026 crop is already off to a strong planting start — with corn at 5% planted and soybeans at 6% by mid-April, both ahead of five-year averages.
The eastern United States is expected to see higher than average rainfall, mostly concentrated along the coastal regions. That wetter signal extends inland to varying degrees but does not include the drought-affected parts of the southern Appalachians. The updated forecast reflects modest changes from last month: reductions in the area of elevated rainfall expectation in the East, and a slight contraction in the zone of below-average precipitation risk in the West. The overall message is one of gradual summer warming across most of the country without the broad drought development that would most threaten Corn Belt yield potential this season. The original forecast analysis was published by Pro Farmer on April 17, 2026.