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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: 3:11 am CST Feb 3, 2026
 
Today

Today: Showers likely, mainly after 2pm. Cloudy, with a high near 39. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Chance
Showers then
Showers
Likely
 Tonight

Tonight: A chance of rain showers before 8pm, then a chance of flurries between 8pm and 9pm. Cloudy, with a low around 26. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 40%.
Chance
Rain/Flurries
then Cloudy
 Wednesday

Wednesday: Mostly cloudy, with a high near 33. North wind around 6 mph.
Mostly Cloudy

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 16. Light north wind.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 32. Calm wind.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 25.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 49.
Mostly Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 28.
Mostly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 43.
Mostly Sunny
Hi 39 °F Lo 26 °F Hi 33 °F Lo 16 °F Hi 32 °F Lo 25 °F Hi 49 °F Lo 28 °F Hi 43 °F

Hazardous Weather Outlook
 

Today
 
 Showers likely, mainly after 2pm. Cloudy, with a high near 39. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
 
 A chance of rain showers before 8pm, then a chance of flurries between 8pm and 9pm. Cloudy, with a low around 26. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 40%.
Wednesday
 
 Mostly cloudy, with a high near 33. North wind around 6 mph.
Wednesday Night
 
 Partly cloudy, with a low around 16. Light north wind.
Thursday
 
 Mostly sunny, with a high near 32. Calm wind.
Thursday Night
 
 Partly cloudy, with a low around 25.
Friday
 
 Mostly sunny, with a high near 49.
Friday Night
 
 Mostly cloudy, with a low around 28.
Saturday
 
 Mostly sunny, with a high near 43.
Saturday Night
 
 Partly cloudy, with a low around 26.
Sunday
 
 Mostly sunny, with a high near 44.
Sunday Night
 
 Partly cloudy, with a low around 26.
Monday
 
 Partly sunny, with a high near 45.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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