Short-term forecasts from Spain’s AEMET and ensemble models indicate peak afternoon temperatures of 37–38 °C on August 8 under persistent high pressure, clear skies, and strong solar insolation typical of the Iberian summer plateau. These conditions favor maximum surface heating with minimal cloud cover or advection of cooler maritime air. Recent months have featured above-average warmth across central Spain, with 2026 already ranking among the warmest periods on record, yet no major heat dome or Saharan air intrusion is currently modeled for the immediate forecast window. The market’s heavy weighting toward 37–39 °C reflects this consensus, tempered by the usual uncertainty range in boundary-layer mixing and local urban heat-island effects that can shift the daily maximum by 1 °C. Updated model runs and AEMET briefings over the next 48 hours will provide the clearest signals ahead of resolution.