Recent National Weather Service guidance and model consensus point to a daytime high near 90–93°F at Atlanta’s official Hartsfield-Jackson station, with heat indices reaching the upper 90s amid elevated humidity and weak steering flow under subtropical ridging. Afternoon thunderstorm development, already noted in short-range guidance, could cap temperatures by increasing cloud cover and evaporative cooling, supporting the market’s heavy weighting toward the 88–89°F bin. June climatology places normal maxima near 87°F, so current warmth reflects above-average 500-hPa heights and southerly flow; any delay or intensification of convection would further favor the 86–87°F range now at 22%. Updated NWS forecasts and real-time observations through late afternoon will drive final resolution.