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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: 7:41 am CST Dec 16, 2025
 
Today

Today: Mostly sunny, with a high near 46. Southwest wind around 6 mph.
Mostly Sunny

 Tonight

Tonight: Increasing clouds, with a low around 35. Southwest wind around 6 mph.
Increasing
Clouds

 Wednesday

Wednesday: Partly sunny, with a high near 50. Southwest wind around 5 mph becoming calm in the afternoon.
Partly Sunny

 Wednesday
Night
Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 40. Calm wind becoming south 5 to 7 mph after midnight.
Mostly Cloudy
then Slight
Chance
Showers
 Thursday

Thursday: Showers. High near 56. South wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Showers
Likely then
Showers
 Thursday
Night
Thursday Night: A chance of rain showers, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 24. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Chance
Rain/Snow
then Partly
Cloudy
 Friday

Friday: Sunny, with a high near 36.
Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 27.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 53.
Mostly Sunny
Hi 46 °F Lo 35 °F Hi 50 °F Lo 40 °F Hi 56 °F Lo 24 °F Hi 36 °F Lo 27 °F Hi 53 °F

 

Today
 
 Mostly sunny, with a high near 46. Southwest wind around 6 mph.
Tonight
 
 Increasing clouds, with a low around 35. Southwest wind around 6 mph.
Wednesday
 
 Partly sunny, with a high near 50. Southwest wind around 5 mph becoming calm in the afternoon.
Wednesday Night
 
 A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 40. Calm wind becoming south 5 to 7 mph after midnight.
Thursday
 
 Showers. High near 56. South wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
 
 A chance of rain showers, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 24. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Sunny, with a high near 36.
Friday Night
 
 Partly cloudy, with a low around 27.
Saturday
 
 Mostly sunny, with a high near 53.
Saturday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 39.
Sunday
 
 A 40 percent chance of showers. Mostly cloudy, with a high near 53.
Sunday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 37.
Monday
 
 A 30 percent chance of showers. Mostly cloudy, with a high near 52.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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