Ongoing heatwave conditions driven by a strong subtropical high-pressure ridge are sustaining elevated temperatures across the Korean Peninsula, with KMA heatwave emergency warnings active for Seoul-Incheon. Ensemble forecasts and recent model runs cluster daytime maxima near 32–34°C on August 10 under mostly clear skies, light easterly flow, and high humidity that limits overnight cooling while favoring strong diurnal heating. Differentiation among the tightly bunched 32–35°C outcomes hinges on small variations in cloud cover timing, boundary-layer mixing depth, and any weak sea-breeze modulation from the Yellow Sea, which could shave 1–2°C from the peak or allow brief bursts of subsidence warming to push readings higher. Updated KMA guidance and afternoon soundings will refine these thresholds ahead of market resolution.