Madison LA- Including the city of Tallulah 831 PM CDT Sat Aug 15 2026 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT MONDAY... .REST OF TONIGHT...Mostly clear. Lows in the upper 70s. Light and variable winds, becoming southwest around 5 mph. .SUNDAY...Sunny with highs in the upper 90s. West winds around 5 mph. Heat index values up to 112. .SUNDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest winds around 5 mph. Heat index values up to 109 early in the evening. .MONDAY...Sunny, hot with highs around 100. West winds around 5 mph. Heat index values up to 111. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. Southwest winds around 5 mph. Heat index values up to 109 early in the evening. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 105.