Singapore's National Environment Agency and Meteorological Service forecasts for August 16 point to a daytime maximum near 31–32°C under prevailing Southwest Monsoon conditions, with isolated thundery showers and moderate cloud cover expected to cap peaks. These short-term model outputs, combined with a developing moderate El Niño and positive Indian Ocean Dipole that favor above-average warmth and reduced rainfall across the Maritime Continent, explain why traders assign nearly equal implied probabilities to 31°C and 32°C. Afternoon sea breezes and humidity levels above 70% further moderate extremes, while historical August averages hover around 31°C. Updated high-resolution runs and official briefings over the next 48 hours will likely resolve the narrow spread between these leading outcomes.