Recent dry conditions across the Rhine catchment have kept water levels at critical gauges like Kaub and Maxau well below navigation thresholds into early September 2026, with readings around 30 cm at the bottleneck point. Official German hydrological updates note that August rainfall offered only temporary relief before levels resumed falling, while Alpine headwater precipitation over the past 45 days remains below average. Short-term forecasts indicate modestly above-normal rain in the next two weeks, yet seasonal patterns and ensemble models show recovery to normal depths is unlikely before mid-to-late September at the earliest. Trader odds remain closely split between the September 15–30 and October windows because modest precipitation gains could accelerate rebound in the second half of September, while any shortfall would push normalization into October; the low probability assigned to earlier resolution reflects the current deficit and limited immediate upside in flow projections.