A critical lack of pre-season rainfall across four of Brazil's most important soybean states is threatening to delay the start of the 2026/27 planting season, creating an early-season supply risk for the global oilseed market. Key municipalities in the massive Cerrado agricultural frontier—Sorriso, Mato Grosso; Luís Eduardo Magalhães, Bahia; and Rio Verde, Goiás—all reported rainfall totals near zero over the last seven days, at a moment when farmers need soil moisture replenished to begin sowing.