| National Weather Service Forecast for:
Mammoth Cave KY Issued by: National Weather Service Louisville, KY |
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| Updated: 5:40 am CDT Jul 28, 2026 | ||||||||||||||||||
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| Today |
Mostly sunny, with a high near 93. Heat index values as high as 105. West wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. |
| Tonight |
Partly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening. |
| Wednesday |
Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon. |
| Wednesday Night |
Mostly clear, with a low around 64. Light northeast wind. |
| Thursday |
Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon. |
| Thursday Night |
Mostly clear, with a low around 65. |
| Friday |
Partly sunny, with a high near 88. |
| Friday Night |
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. |
| Saturday |
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%. |
| Saturday Night |
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 60%. |
| Sunday |
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. |
| Sunday Night |
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. |
| Monday |
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. |
Forecast from NOAA-NWS for Mammoth Cave KY.
