Highs 10 to 15 degrees above average will create moderate HeatRisk for some inland areas. For the coastal areas: 70 to 81, western valleys and inland Orange County: 81 to 87, inland valleys: 84 to 93, mountains between 4000 ft and 7000 ft: 74 to 84, high desert: 90 to 96, low desert: 102 to 105.