Tonight. Partly cloudy. Lows around 80. South winds 5 to 10 mph. Tuesday. Mostly sunny. Highs around 100. South winds 5 to 10 mph. Highest heat index readings 108 to 109 in the afternoon. Tuesday Night. Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph. Wednesday. Sunny. An icelated shower or thunderstorm possible in the afternoon. Highs around 102. South winds 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of rain less than 20%