Forecast models from major meteorological centers show Zhengzhou's August 11 maximum likely falling between 25–27°C, driving the tight clustering of market-implied odds around those outcomes. Differentiating factors center on variable cloud cover from a passing shortwave trough and the strength of southerly monsoon flow, which modulates incoming solar radiation and boundary-layer mixing. A stronger moisture surge could cap daytime heating near 25°C through increased low-level humidity and reduced insolation, while clearer conditions under the subtropical ridge would favor 27°C or slightly higher. Historical August baselines near 32°C highlight the current cooler anomaly, though ensemble spread remains notable given the short forecast horizon. Updated CMA and ECMWF runs expected in the next 24 hours will refine these thresholds ahead of resolution.