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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: 9:16 am CST Jan 8, 2026
 
Today

Today: Mostly cloudy, with a high near 69. South wind 7 to 11 mph, with gusts as high as 22 mph.
Mostly Cloudy

 Tonight

Tonight: Showers likely, mainly after 3am. Mostly cloudy, with a low around 62. South wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Showers
Likely
 Friday

Friday: Showers and possibly a thunderstorm before noon, then a chance of showers. High near 69. South wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Showers then
Chance
Showers
 Friday
Night
Friday Night: Showers likely and possibly a thunderstorm, then showers after 9pm. Low around 53. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Showers
Likely then
Showers
 Saturday

Saturday: Showers likely, mainly before noon. Mostly cloudy, with a high near 58. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely then
Chance
Showers
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 31.
Partly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 35.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 22.
Mostly Clear

 Monday

Monday: Sunny, with a high near 42.
Sunny
Hi 69 °F Lo 62 °F Hi 69 °F Lo 53 °F Hi 58 °F Lo 31 °F Hi 35 °F Lo 22 °F Hi 42 °F

Hazardous Weather Outlook
 

Today
 
 Mostly cloudy, with a high near 69. South wind 7 to 11 mph, with gusts as high as 22 mph.
Tonight
 
 Showers likely, mainly after 3am. Mostly cloudy, with a low around 62. South wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
 Showers and possibly a thunderstorm before noon, then a chance of showers. High near 69. South wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
 
 Showers likely and possibly a thunderstorm, then showers after 9pm. Low around 53. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
 
 Showers likely, mainly before noon. Mostly cloudy, with a high near 58. Light and variable wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
 
 Partly cloudy, with a low around 31.
Sunday
 
 Mostly sunny, with a high near 35.
Sunday Night
 
 Mostly clear, with a low around 22.
Monday
 
 Sunny, with a high near 42.
Monday Night
 
 Mostly clear, with a low around 30.
Tuesday
 
 Mostly sunny, with a high near 51.
Tuesday Night
 
 Mostly cloudy, with a low around 37.
Wednesday
 
 A 30 percent chance of showers. Mostly cloudy, with a high near 47.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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