Latest National Weather Service guidance for Denver on August 14 centers on a high near 84°F under mostly sunny morning skies transitioning to afternoon thunderstorms, which introduce the main uncertainty between the market’s tightly matched 82–83°F and 84–85°F bins. Convective development tied to monsoonal moisture can cap daytime heating by increasing cloud cover and evaporative cooling once storms initiate, while Denver’s 5,280-foot elevation amplifies diurnal swings and makes the precise timing of thunderstorm outflow boundaries critical. Historical August normals sit near 88°F, but recent model runs show slightly below-average heights and modest southwesterly flow favoring earlier storm activity than in peak heat-wave setups. Traders appear to weigh these variables evenly, with lower probabilities assigned to calmer, hotter scenarios above 86°F. Updated NWS and HRRR model runs through tomorrow morning will likely sharpen the outlook.