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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: 3:13 am CDT Jun 13, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 71. Calm wind.
Mostly Cloudy

Friday

Friday: Showers and thunderstorms likely before 1pm, then showers and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm.  High near 82. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Chance
T-storms then
T-storms
Friday
Night
Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 11pm.  Mostly cloudy, with a low around 69. Light south wind.  Chance of precipitation is 40%.
Chance
T-storms

Saturday

Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am.  High near 81. South wind 3 to 6 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely then
T-storms
Saturday
Night
Saturday Night: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 69. Light south wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Chance
Showers
Sunday

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Showers
Likely
Sunday
Night
Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 69. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
Monday

Monday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 84.
Chance
Showers

Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.
Slight Chance
T-storms

Lo 71 °F Hi 82 °F Lo 69 °F Hi 81 °F Lo 69 °F Hi 82 °F Lo 69 °F Hi 84 °F Lo 70 °F

Hazardous Weather Outlook
 

Overnight
 
Mostly cloudy, with a low around 71. Calm wind.
Friday
 
Showers and thunderstorms likely before 1pm, then showers and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. High near 82. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
 
A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 69. Light south wind. Chance of precipitation is 40%.
Saturday
 
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am. High near 81. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
 
Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 69. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 20%.
Monday
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
 
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
 
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Tuesday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
 
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Juneteenth
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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