Severe drought and record-low flows along the Danube, driven by prolonged summer heat and minimal upstream rainfall, have kept water levels at historic lows in Hungary, Romania, and neighboring stretches as of early August 2026. These conditions have curtailed shipping, tourism, and cooling water for nuclear facilities, with Budapest readings dropping below prior benchmarks. Trader consensus clusters on September and October windows because seasonal cooling and catchment-area precipitation typically begin lifting flows in those months, while earlier recovery remains unlikely without an abrupt shift in patterns. The tight spread among the three leading intervals reflects high uncertainty in medium-range weather models and the absence of confirmed heavy rain events. Fresh forecasts showing sustained dry conditions or early autumn downpours in the Alps and tributaries could quickly widen gaps between the September and October outcomes.