Latest numerical weather prediction models from sources like the China Meteorological Administration and global ensembles point to daytime highs of 33–35°C in Chengdu on August 9, driven by subtropical monsoon conditions featuring weak steering flow, high dew points above 25°C, and sufficient insolation for strong diurnal heating in the Sichuan Basin. Afternoon thundershowers or increased cloud cover could cap peaks near 33°C by limiting surface energy input, while clearer breaks would favor 35°C or brief excursions higher. Historical August baselines show typical maxima of 30–34°C amid 70–80% relative humidity, with urban heat effects and basin topography often adding 1–2°C locally. The closely matched market probabilities around 33–35°C reflect uncertainty in convective timing and model spread on precipitation coverage, with updates from short-range forecasts expected to sharpen resolution criteria based on official station readings.