Ongoing European heatwave conditions, driven by a persistent high-pressure ridge and southerly warm-air advection, are pushing Milan’s forecast highs for June 27 well above the June climatological average of roughly 26–27 °C. Recent model consensus from sources including ECMWF and regional agencies points to maximum temperatures in the mid- to upper-30s Celsius under mostly clear skies and light winds that limit vertical mixing and nocturnal cooling. Subtle differences among runs—particularly regarding the strength of subsidence and any late-day convective development—account for the tight clustering around 35–37 °C in trader prices, while lower-probability outcomes reflect residual uncertainty from minor forecast shifts or localized urban-heat-island variations before official resolution.