TodaySunny and hot, with a high near 95. Heat index values as high as 105. Southwest wind around 6 mph. TonightMostly clear, with a low around 79. Southwest wind around 6 mph becoming calm in the evening. MondaySunny and hot, with a high near 94. Heat index values as high as 103. Light southwest wind. Monday NightMostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening. TuesdaySunny, with a high near 93. Calm wind. Tuesday NightMostly clear, with a low around 75.WednesdaySunny and hot, with a high near 94.Wednesday NightMostly clear, with a low around 76.ThursdayA 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.Thursday NightA 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.FridayA 30 percent chance of showers and thunderstorms. Sunny, with a high near 92.Friday NightA 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.SaturdayA 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. , Louisville, KY Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days., Be prepared with the most accurate 10-day forecast for Louisville, KY with highs, lows, chance of precipitation from The Weather Channel and Weather.com.