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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: 6:12 am CDT May 18, 2025
 
Today

Today: Mostly sunny, with a high near 79. Light west wind.
Mostly Sunny

 Tonight

Tonight: A 20 percent chance of showers after 4am. Partly cloudy, with a low around 60. Calm wind.
Partly Cloudy
then Slight
Chance
Showers
 Monday

Monday: Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. Southeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely

 Monday
Night
Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Chance
T-storms then
Showers
Likely
 Tuesday

Tuesday: Showers and possibly a thunderstorm. High near 82. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Showers

 Tuesday
Night
Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Showers
Likely

 Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
Chance
Showers

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 53.
Mostly Cloudy

 Thursday

Thursday: A 20 percent chance of showers. Partly sunny, with a high near 65.
Slight Chance
Showers
Hi 79 °F Lo 60 °F Hi 80 °F Lo 66 °F Hi 82 °F Lo 63 °F Hi 72 °F Lo 53 °F Hi 65 °F

Flood Warning
 

Today
 
 Mostly sunny, with a high near 79. Light west wind.
Tonight
 
 A 20 percent chance of showers after 4am. Partly cloudy, with a low around 60. Calm wind.
Monday
 
 Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. Southeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
 
 Showers and possibly a thunderstorm. High near 82. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
Wednesday Night
 
 Mostly cloudy, with a low around 53.
Thursday
 
 A 20 percent chance of showers. Partly sunny, with a high near 65.
Thursday Night
 
 Partly cloudy, with a low around 48.
Friday
 
 Sunny, with a high near 69.
Friday Night
 
 Partly cloudy, with a low around 49.
Saturday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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