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Mammoth Cave National Park, KY Weather Forecast
Wx Discussion - Wx Hazards - Wx Aviation
NWS Forecast for Mammoth Cave KY
National Weather Service Forecast for: Mammoth Cave KY
Issued by: National Weather Service Louisville, KY
Updated: 5:41 pm CDT Aug 7, 2026
 
Tonight

Tonight: A slight chance of showers and thunderstorms between midnight and 4am.  Mostly cloudy, with a low around 72. Light south wind.  Chance of precipitation is 20%.
Mostly Cloudy
then Slight
Chance
T-storms
Saturday

Saturday: A 30 percent chance of showers and thunderstorms, mainly after 11am.  Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the morning.
Chance
Showers then
Chance
T-storms
Saturday
Night
Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Calm wind.
Decreasing
Clouds

Sunday

Sunday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm.  Sunny, with a high near 91. Light and variable wind.  Chance of precipitation is 20%.
Slight Chance
T-storms

Sunday
Night
Sunday Night: Mostly clear, with a low around 73. Calm wind.
Mostly Clear

Monday

Monday: Sunny, with a high near 93.
Sunny

Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 74.
Mostly Clear
then Slight
Chance
T-storms
Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms.  Sunny, with a high near 91.
Chance
Showers then
Chance
T-storms
Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Chance
T-storms

Lo 72 °F Hi 89 °F Lo 72 °F Hi 91 °F Lo 73 °F Hi 93 °F Lo 74 °F Hi 91 °F Lo 73 °F

 

Tonight
 
A slight chance of showers and thunderstorms between midnight and 4am. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 20%.
Saturday
 
A 30 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the morning.
Saturday Night
 
Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Calm wind.
Sunday
 
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Sunny, with a high near 91. Light and variable wind. Chance of precipitation is 20%.
Sunday Night
 
Mostly clear, with a low around 73. Calm wind.
Monday
 
Sunny, with a high near 93.
Monday Night
 
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74.
Tuesday
 
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Tuesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Wednesday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday
 
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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