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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: 1:25 am CDT Apr 4, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 67. South wind around 6 mph.
Partly Cloudy

 Saturday

Saturday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 81. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Slight Chance
Showers then
Showers
 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Low around 45. Northwest wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Showers then
Chance
Showers
 Sunday

Sunday: Mostly sunny, with a high near 60. Calm wind becoming northwest around 6 mph in the morning.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 38. Light northwest wind.
Mostly Clear

 Monday

Monday: Sunny, with a high near 65.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 40.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 58.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 38.
Mostly Clear
Lo 67 °F Hi 81 °F Lo 45 °F Hi 60 °F Lo 38 °F Hi 65 °F Lo 40 °F Hi 58 °F Lo 38 °F

Hazardous Weather Outlook
 

Overnight
 
 Partly cloudy, with a low around 67. South wind around 6 mph.
Saturday
 
 A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 81. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
 
 Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Low around 45. Northwest wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
 
 Mostly sunny, with a high near 60. Calm wind becoming northwest around 6 mph in the morning.
Sunday Night
 
 Mostly clear, with a low around 38. Light northwest wind.
Monday
 
 Sunny, with a high near 65.
Monday Night
 
 Mostly clear, with a low around 40.
Tuesday
 
 Sunny, with a high near 58.
Tuesday Night
 
 Mostly clear, with a low around 38.
Wednesday
 
 Mostly sunny, with a high near 72.
Wednesday Night
 
 Partly cloudy, with a low around 49.
Thursday
 
 Sunny, with a high near 75.
Thursday Night
 
 Mostly clear, with a low around 52.
Friday
 
 Sunny, with a high near 78.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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