Forecast models from sources such as the ECMWF and GFS indicate peak surface temperatures in Milan on August 3 likely reaching the mid-30s Celsius under persistent high pressure, with strong subsidence limiting cloud cover and enhancing daytime heating. Ensemble spreads arise primarily from minor variations in boundary-layer moisture, urban heat island effects amplifying maxima by 1–2°C, and slight differences in 850-hPa thermal advection, producing the tight clustering around 34–36°C outcomes. Historical August climatology for northern Italy shows typical highs near 30–32°C, so current guidance reflects an above-average ridge that traders are weighting heavily while still assigning meaningful probability to cooler or warmer edges given model uncertainty at this 48-hour lead.