Latest ECMWF and GFS model consensus points to a 35–36°C peak in Milan on June 21 under a strengthening subtropical ridge, clear skies, and light northeasterly flow that limits mixing and allows strong daytime heating in the Po Valley. These conditions align with June climatology of 26–28°C averages but are amplified by the current anticyclone, pushing afternoon maxima into the mid-30s. The market’s tight clustering around 34–36°C reflects genuine uncertainty in exact model guidance, with small shifts in cloud cover, wind speed, or boundary-layer moisture able to alter the daily high by 1–2°C. Official NHC-style verification will use Milan Linate or similar station data, and final model runs over the next 48 hours remain the key catalyst for any odds movement.