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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: 1:16 pm CST Feb 5, 2026
 
This
Afternoon
This Afternoon: Cloudy, with a high near 28. Southwest wind around 6 mph.
Cloudy

 Tonight

Tonight: Mostly cloudy, with a low around 25. Light south wind.
Mostly Cloudy

 Friday

Friday: Mostly cloudy, with a high near 45. Light and variable wind becoming northwest 5 to 8 mph in the morning.
Mostly Cloudy

 Friday
Night
Friday Night: A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 11pm, then a slight chance of snow after 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind around 6 mph. Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Slight
Chance Snow
 Saturday

Saturday: Sunny, with a high near 31. North wind around 6 mph becoming calm in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 20.
Partly Cloudy

 Sunday

Sunday: Mostly cloudy, with a high near 44.
Mostly Cloudy

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 29.
Mostly Cloudy

 Monday

Monday: Sunny, with a high near 55.
Sunny
Hi 28 °F Lo 25 °F Hi 45 °F Lo 22 °F Hi 31 °F Lo 20 °F Hi 44 °F Lo 29 °F Hi 55 °F

 

This Afternoon
 
 Cloudy, with a high near 28. Southwest wind around 6 mph.
Tonight
 
 Mostly cloudy, with a low around 25. Light south wind.
Friday
 
 Mostly cloudy, with a high near 45. Light and variable wind becoming northwest 5 to 8 mph in the morning.
Friday Night
 
 A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 11pm, then a slight chance of snow after 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind around 6 mph. Chance of precipitation is 20%.
Saturday
 
 Sunny, with a high near 31. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 20.
Sunday
 
 Mostly cloudy, with a high near 44.
Sunday Night
 
 Mostly cloudy, with a low around 29.
Monday
 
 Sunny, with a high near 55.
Monday Night
 
 Mostly clear, with a low around 38.
Tuesday
 
 Partly sunny, with a high near 63.
Tuesday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Wednesday
 
 A 40 percent chance of showers. Mostly cloudy, with a high near 59.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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