Latest numerical weather prediction models from the GFS and ECMWF project afternoon highs near 33–34°C in Panama City on May 17, aligning with the market’s 55% implied probability for 33°C or higher. This outlook reflects the city’s tropical lowland setting during the early wet season, when solar insolation peaks near the equinox and the Intertropical Convergence Zone drives scattered convection amid high humidity near 80%. Historical May climatology at Marcos A. Gelabert International Airport shows average daily maxima of 32–34°C, with light northwest winds often limiting overnight cooling and allowing rapid daytime warming if cloud cover dissipates by midday. Recent ensemble runs indicate modest model agreement on these temperatures, though afternoon showers could cap readings at 32°C. Hourly METAR observations through the afternoon will refine the outcome as resolution nears.