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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: 6:26 am CDT Mar 26, 2026
 
Today

Today: Sunny, with a high near 84. Southwest wind 7 to 14 mph, with gusts as high as 30 mph.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 65. Southwest wind around 10 mph, with gusts as high as 28 mph.
Mostly Clear

 Friday

Friday: Showers and possibly a thunderstorm. Temperature falling to around 52 by 5pm. Southwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Friday
Night
Friday Night: Mostly clear, with a low around 34. North wind 3 to 8 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 56. Calm wind becoming northeast around 5 mph.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 39.
Partly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 69.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 56.
Mostly Cloudy

 Monday

Monday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76.
Partly Sunny
then Slight
Chance
T-storms
Hi 84 °F Lo 65 °F Hi 66 °F⇓ Lo 34 °F Hi 56 °F Lo 39 °F Hi 69 °F Lo 56 °F Hi 76 °F

Hazardous Weather Outlook
 

Today
 
 Sunny, with a high near 84. Southwest wind 7 to 14 mph, with gusts as high as 30 mph.
Tonight
 
 Mostly clear, with a low around 65. Southwest wind around 10 mph, with gusts as high as 28 mph.
Friday
 
 Showers and possibly a thunderstorm. Temperature falling to around 52 by 5pm. Southwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 Mostly clear, with a low around 34. North wind 3 to 8 mph.
Saturday
 
 Sunny, with a high near 56. Calm wind becoming northeast around 5 mph.
Saturday Night
 
 Partly cloudy, with a low around 39.
Sunday
 
 Mostly sunny, with a high near 69.
Sunday Night
 
 Mostly cloudy, with a low around 56.
Monday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76.
Monday Night
 
 Partly cloudy, with a low around 61.
Tuesday
 
 A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Tuesday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
 
 A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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