Weather: Heat index could reach 109

Today will be mostly sunny, with highs in the upper-90s and heat index values that could reach between 105 and 109.

Scattered showers and thunderstorms are possible in the afternoon, but moving into the evening the chance of rain decreases significantly. Lows will be in the mid-70s

Saturday brings mostly sunny skies with about a 30 percent chance of scattered showers and thunderstorms. Some thunderstorms may produce gusty winds and frequent lightning. Expect highs in the upper-90s and heat index readings between 102 to 106.

Partly cloudy skies will move in Saturday night. Lows will be in the mid-70s.

Highs on Sunday will be in the mid-90s while Sunday night will bring lows in the mid-70s.