Traders show near-certainty that Denver’s highest temperature on May 15 will reach at least 74°F, anchored in National Weather Service forecast guidance projecting daytime highs in the upper 70s to low 80s. Stable high-pressure ridging, southerly flow, and strong solar heating under mostly clear skies are expected to drive rapid boundary-layer warming across the Front Range, where downslope winds further enhance temperatures. Current NOAA model consensus aligns with climatological norms for mid-May, when average highs near 71°F frequently climb higher during warm advection episodes. Only an abrupt, unforecasted cold-front passage could realistically prevent the threshold, though steering patterns and ensemble spread make such a shift improbable before peak heating occurs.