Major Heat Wave Imminent – Two Peaks

Triple-digit heat returning inland by Friday (July 25-27) with a second, potentially hotter peak Aug 5-8. New First Alert Weather Alert warns of highs up to 120°F this weekend – more severe than previous forecasts. Heat Advisory and Extreme Heat Warning issued. Overnight lows in 70s-80s increase heat stress, but marine winds may bring cooler overnight lows this weekend. Concerns for personal safety, power grid strain, PSPS, and fire danger. SF infrastructure gaps highlighted.