Recent National Weather Service and private model guidance indicate mostly clear skies and northwest flow overnight into August 22, supporting radiational cooling under a drier air mass with dew points falling into the mid-60s°F. This setup favors minimum temperatures centered in the low 70s°F at Atlanta stations, consistent with the market’s top-weighted bins of 72–73°F (42.5%) and 70–71°F (27.0%). A weak frontal passage earlier in the week reduced humidity and cloud cover, shifting probabilities away from higher readings that prevailed during recent muggy nights. Updated model runs show limited spread, with only modest upside risk if residual moisture lingers; the tight clustering of trader odds around these values reflects high confidence in official forecast guidance ahead of the evening observation window.