...HEAT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Not as warm with lows in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Sunny. Not as warm with highs in the lower 80s. North winds 15 to 20 mph with gusts up to 30 mph. .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds 10 to 15 mph with gusts up to 25 mph, becoming northeast around 5 mph after midnight. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. Northeast winds around 5 mph, becoming northwest around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. South winds around 5 mph. .THURSDAY...Partly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent. .FRIDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs around 80. .FRIDAY NIGHT...Mostly clear. Lows in the mid 60s. .SATURDAY...Partly sunny in the morning, then clearing. Warmer with highs in the lower 90s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. .SUNDAY...Sunny, hot with highs in the upper 90s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index values in the upper 90s early in the evening. .MONDAY...Sunny. Highs around 90.