Persistent drought across the Danube basin, with record-low precipitation and elevated temperatures since spring, has driven water levels at the Budapest gauge to historic lows near or below zero centimeters in early October 2026. Multiple gauges report readings at or under prior minima, with flows well below multi-year averages and forecasts indicating only marginal increases through mid-month. Hydrological outlooks project continued subdued discharge into November and December absent substantial rainfall in the upper catchment, limiting prospects for a rapid rebound to the 93 cm Low Water Level threshold. Seasonal patterns of autumn minimum flows reinforce the positioning of the “does not return by November 1” outcome as the market leader, while any October recovery would require an unusually sharp precipitation shift not currently indicated in near-term models.