Persistent extreme heat across Southern California, driven by a strong upper-level ridge, has elevated minimum temperature forecasts for Los Angeles on October 5 into the mid-70s°F at official stations such as LAX. National Weather Service guidance and ensemble models project overnight lows near 75–77°F amid clear skies, light winds, and limited radiational cooling, with daytime highs exceeding 95°F. These conditions align with the market's leading 86°F-or-higher bin at 49% implied probability, as warm advection and suppressed marine layer keep surface temperatures elevated. Historical October lows average near 60°F, underscoring the anomaly. Updated model runs through early October 5 will refine the exact minimum before market resolution.