Tonight...Partly cloudy. Isolated showers and thunderstorms early in the evening. Lows in the upper 70s. West winds 5 mph in the evening...Shifting to the north after midnight. The chance of precipitation 20 percent early in the evening. Early evening heat index values 100 to 108.

Sunday...Sunny. Highs around 100. Northeast winds 5 mph. Afternoon heat index values 105 to 110.

Sunday Night...Mostly clear. Lows in the mid 70s. East winds 5 mph. Early evening heat index values 100 to 105.

Monday...Sunny. Highs around 101. Southeast winds 5 mph. Afternoon heat index values 107 to 111.

Monday Night...Mostly clear. Lows in the upper 70s. Southwest winds 5 mph. Early evening heat index values 100 to 106.

Tuesday...Mostly sunny. Highs around 102. Afternoon heat index values 106 to 110.

Tuesday Night...Mostly clear. Lows in the upper 70s. Early evening heat index values 100 to 105.

Wednesday...Mostly sunny. Highs around 100. Afternoon heat index values 106 to 110.

Wednesday Night...Mostly clear. Lows in the upper 70s. Early evening heat index values 100 to 104.

Thursday...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. The chance of precipitation 20 percent in the afternoon. Afternoon heat index values 105 to 109.

Thursday Night...Partly cloudy. Lows in the mid 70s. Early evening heat index values 100 to 104.

Friday...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. The chance of precipitation 20 percent in the afternoon. Afternoon heat index values 103 to 107.

Friday Night...Partly cloudy. Lows in the mid 70s. Early evening heat index values 100 to 103.

Saturday...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. The chance of precipitation 20 percent in the afternoon. Afternoon heat index values 102 to 106.