The Hindu Kush Himalaya (HKH) region faces water disasters due to fragile rock formations, steep slopes, and seasonal heavy rains. These vulnerabilities are worsened by inadequate risk communication. Climate change exacerbates extreme weather events, underscoring the need for enhanced flood warning systems. To address these challenges, ICIMOD, BYU, and NASA developed the Streamflow Prediction Tool (SPT). The SPT produces a 10-day ensemble streamflow forecast. The forecast ensemble contains 51 members corresponding to each member of the runoff ensemble with three-hour temporal resolution and one 52nd deterministic runoff forecast from HTESSEL with a higher 1-hour temporal resolution. The system covers most of the larger rivers of the HKH region. This tutorial uses the SPT-Nepal web application as an example for describing the interface and interpretation of results.