A 20 percent chance of isolated showers and thunderstorms after 1 p.m. Tuesday. Mostly sunny and hot with a high near 103. Heat index values as high as 109. South southwest wind between 6 and 14 mph with gusts as high as 18 mph.

Partly cloudy Tuesday night with a low around 75. South southeast wind 13 to 16 mph decreasing to between 5 and 8 mph. Winds could gust as high as 21 mph.