 Heat index as high as 102, south winds at 15 miles an hour, gusting to 20. Mostly clear tonight, lows to 77. South winds 10 to 15, gusting as high as 20. 20% chance of rain tomorrow, partly cloudy, highs of 96 with a heat index of 107 and a southwest wind 5 to 10. Saturday night, 30% chance of showers and thunderstorms, increasing cloudiness with a low of 72. Southwest winds at 5, becoming calm in the evening.