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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: 1:56 am CDT Apr 26, 2026
 
Overnight

Overnight: Mostly clear, with a low around 55. Calm wind.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 58. Calm wind.
Mostly Clear

 Monday

Monday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South wind 5 to 9 mph, with gusts as high as 22 mph.
Mostly Sunny
then Slight
Chance
T-storms
 Monday
Night
Monday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 64. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Showers
Likely then
Showers
 Tuesday

Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely

 Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 90%.
Showers

 Wednesday

Wednesday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 72.
Chance
Showers

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 48.
Partly Cloudy
Lo 55 °F Hi 80 °F Lo 58 °F Hi 82 °F Lo 64 °F Hi 81 °F Lo 62 °F Hi 72 °F Lo 48 °F

 

Overnight
 
 Mostly clear, with a low around 55. Calm wind.
Sunday
 
 Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 58. Calm wind.
Monday
 
 A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South wind 5 to 9 mph, with gusts as high as 22 mph.
Monday Night
 
 A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 64. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
 
 Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
 Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 90%.
Wednesday
 
 A 40 percent chance of showers before 1pm. Partly sunny, with a high near 72.
Wednesday Night
 
 Partly cloudy, with a low around 48.
Thursday
 
 Sunny, with a high near 67.
Thursday Night
 
 Partly cloudy, with a low around 45.
Friday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 66.
Friday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 45.
Saturday
 
 Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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