...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph, becoming west after midnight. Chance of rain 20 percent. Heat index values up to 111 early this evening. .MONDAY...Mostly sunny. Patchy smoke. Humid with highs in the lower 90s. North winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Northeast winds 5 to 10 mph. .TUESDAY...Mostly sunny. Humid with highs in the upper 80s. Southeast winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Humid with lows in the upper 60s. South winds around 5 mph. .WEDNESDAY...Sunny. Highs around 90. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 70. .THURSDAY...Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent. .THURSDAY NIGHT...A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the mid 60s. Chance of rain 60 percent. .FRIDAY...Partly sunny in the morning, then clearing. Highs in the lower 80s. .FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. .SATURDAY...Mostly sunny. Highs in the lower 80s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. .SUNDAY...Sunny. Highs in the mid 80s. -- This email has been checked for viruses by AVG antivirus software. www.avg.com