NWS Extreme Heat Warning for LA County and Orange County Oct 2–8; valleys 105–107°F, Saturday hottest.
The National Weather Service has issued an Extreme Heat Warning for coastal and valley areas of Los Angeles County and coastal/inland Orange County, effective 10 a.m. Friday Oct 2 through 8 p.m. Thursday Oct 8. Highs run 10–15°F above normal Friday; Saturday is the hottest of the next seven with coastal 90s and valleys 100–107°F. Overnight lows stay in the 70s, limiting relief.