Persistent high pressure over the Southwest and a strengthening thermal ridge are driving above-normal temperatures across Southern California, with National Weather Service forecasts showing overnight lows near 70–72°F for Los Angeles on August 24 under mostly clear skies and a lingering marine layer. This pattern, featuring weak onshore flow and patchy coastal fog, limits radiational cooling and supports minimum temperatures in the low 70s rather than the seasonal average near 65°F. Model consensus favors this outcome, though slight variations in fog timing or wind could nudge readings a degree or two, creating the tight market spread between the 70–71°F and 80°F+ brackets as traders weigh the strength of the heat dome against typical August coastal moderation.