Lafayette- Including the city of Lafayette 504 AM CDT Mon Jul 20 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING... .TODAY...Sunny. Highs in the mid 90s. Northwest winds around 5 mph. Heat index values up to 109. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. West winds around 5 mph. Heat index values up to 106 early in the evening. .TUESDAY...Sunny with highs in the mid 90s. Northwest winds 5 to 10 mph. Heat index values up to 111. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Humid with lows in the upper 70s. West winds 5 to 10 mph. Heat index values up to 108 early in the evening. .WEDNESDAY...Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Northwest winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 114. .WEDNESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 40 percent. Heat index values up to 110 early in the evening. .THURSDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Breezy with highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 110. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 70s. .FRIDAY...Mostly sunny. Highs in the lower 90s. Heat index values up to 105. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. .SATURDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 70s. .SUNDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105.