There is a 30 percent chance of showers and thunderstorms this afternoon with a high near 98 and heat index values near 102, according to the National Weather Service.

Tonight there is a 30 percent chance of showers and thunderstorms, mainly before midnight with a low around 68.

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Friday A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 103. Calm wind becoming north around 5 mph in the morning.

Friday Night A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 69. Calm wind.

Saturday A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.

Saturday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Sunday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 96.

Sunday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

Monday A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.

Monday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Tuesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.

Tuesday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Wednesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.