Uniform market-implied probabilities across temperatures from 10°C or below to 20°C or higher signal extreme trader uncertainty for Chongqing's March 24 high, driven by divergent short-range weather model ensembles amid the city's variable early-spring climate. Chongqing's subtropical monsoon regime, influenced by the Yangtze River basin, typically sees March diurnal maximums averaging 17–19°C historically, but frontal passages and orographic lift from surrounding mountains amplify day-to-day swings of 5–8°C. Recent GFS and ECMWF runs show clustered guidance around 14–18°C, with ensemble spreads exceeding 4°C due to lingering cold air advection from northern China clashing with southerly moisture influx; real-time surface observations and 00Z model updates today will likely sharpen differentiation toward mid-teens outcomes before resolution.