Recent short-range forecast guidance from NOAA and private models places Denver’s September 1 high in the low-to-mid 80s, with output spreads centered near the 81 °F climatological average. Afternoon heating under partly cloudy skies could support readings reaching 84–87 °F if convective inhibition remains strong, while scattered thunderstorms (20–30 % chance) would enhance mixing and limit the peak to the upper 70s or low 80s. Low-level moisture, southwesterly flow, and the precise timing of any cloud cover or outflow boundaries create the narrow temperature window reflected in the tightly clustered 25 % probabilities across the 78–87 °F bins. Updated model runs and 12–24 h observations will narrow the resolution range before the market closes.