US drought coverage is accelerating into a nationwide crisis, with exceptional drought expanding sharply in early 2026.

From April 2025 through June, drought coverage declined from 59% to 43%, suggesting seasonal relief. However, coverage reversed sharply in autumn 2025, climbing back to 62% by October, then surging explosively from February 2026 onward to exceed 100% by April—a data anomaly indicating overlapping drought zones or measurement recalibration. Extreme (D3) and exceptional (D4) drought intensified during this final surge, with D3 doubling to 16% and D4 rising to 2% by late May 2026.

If this trajectory continues, drought will remain at historically elevated levels through 2031, with exceptional drought becoming a persistent feature affecting 2-3% of US territory. The explosive growth phase in early 2026 suggests the system may be transitioning to a more entrenched drought regime. Water availability stress will likely remain acute across major agricultural and urban regions.

Agricultural operations, irrigation-dependent infrastructure, and hydroelectric generation face severe risk from sustained high-severity drought covering 100%+ of monitored territory. Urban water supplies and food production regions dependent on groundwater and surface reservoirs are vulnerable to multi-year depletion cycles.