Ongoing European heatwave conditions driven by persistent high pressure favor elevated overnight lows in Paris, with recent Météo-France guidance and ensemble models showing minimum temperatures most likely between 18–23°C on August 3. Market-implied odds cluster tightly around 17–20°C because short-range forecasts retain notable spread in low-level moisture, cloud cover, and Atlantic air intrusion that could modestly suppress the diurnal minimum. Stronger radiative cooling under clearer skies or a faster steering pattern shift would push readings toward the lower outcomes, while continued subsidence and urban heat retention support the warmer tail. Updated ECMWF and GFS runs expected in the next 24–48 hours represent the key upcoming data points that could refine these probabilities before resolution.