Persistent high-pressure ridging and mostly clear skies over North Texas are supporting a late-August heat surge, with National Weather Service guidance and model consensus pointing to afternoon highs near 106–108°F under light southerly flow and low humidity. Recent extreme-heat warnings and observed temperatures reaching 104–106°F the prior two days reinforce trader focus on the 104–109°F bins, which together command roughly three-quarters of the market. Minor differences in forecast model runs—particularly how quickly any weak shortwave or moisture return arrives—create the tight clustering across those three outcomes, while lower-probability tails reflect the smaller chance of either stronger mixing or brief cloud cover trimming the peak by a degree or two. Updated model cycles and the next NWS forecast discussion remain the key near-term catalysts.