Friday, August 7Day: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3 p.m. High near 89. Saturday, August 8Day: Showers and thunderstorms, mainly after 2 p.m. High near 90. Night: Showers and thunderstorms before 11 p,m., then a slight chance of showers between 11 p.m. and 2 a.m. Low around 74. Sunday, August 9Day: A 50 percent chance of showers and thunderstorms after 2 p.m. Mostly sunny, with a high near 92. Night: A 30 percent chance of showers and thunderstorms before 8 p.m.