Forecast models for Zhengzhou on August 30 indicate a daily maximum near 29–30°C under partly to mostly cloudy skies, light northerly winds, and no precipitation, producing the closely matched market-implied probabilities for those two outcomes. Recent cooling across Henan—with highs falling below 30°C in many areas—has tempered expectations relative to typical late-August peaks, while persistent high pressure and modest cloud cover limit stronger daytime heating that could push readings to 31°C or above. Numerical guidance shows only modest spread in peak temperature, reflecting uncertainty around exact cloud timing and boundary-layer mixing, which keeps 29°C and 30°C nearly tied. Updated short-range model runs and local observations through the evening of August 29 will provide the next key data points before the market resolves.