Lorenia Valles Sampedro leads Sonora’s 2027 gubernatorial race as Morena’s state coordinator following her September 2026 appointment and subsequent PT endorsement, with recent October polls showing the party at roughly 41 percent and her edging or tying head-to-head matchups against PAN’s Antonio Astiazarán Gutiérrez. Fragmented opposition support across Movimiento Ciudadano’s Luis Donaldo Colosio Riojas, PRI figures, and other aspirants limits any single challenger’s ability to consolidate votes, sustaining a competitive field. Trader consensus reflects Morena’s structural advantage from current state and federal alignment, while primary outcomes, coalition negotiations, and late-campaign shifts remain key variables that could alter probabilities before the June 2027 election.