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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: 3:16 pm CST Feb 15, 2026
 
This
Afternoon
This Afternoon: A slight chance of drizzle before 5pm. Patchy fog before 4pm. Otherwise, mostly cloudy, with a high near 53. North wind 3 to 6 mph.
Slight Chance
Drizzle and
Patchy Fog
 Tonight

Tonight: Mostly cloudy, with a low around 37. Light north wind.
Mostly Cloudy

 Washington's
Birthday
Washington's Birthday: Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 61. Calm wind.
Patchy Dense
Fog then
Mostly Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 42. Calm wind.
Partly Cloudy

 Tuesday

Tuesday: Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 8 mph in the morning.
Mostly Cloudy

 Tuesday
Night
Tuesday Night: Cloudy, with a low around 58.
Cloudy

 Wednesday

Wednesday: Mostly cloudy, with a high near 68.
Mostly Cloudy

 Wednesday
Night
Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Chance
Showers
 Thursday

Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 74.
Slight Chance
Showers
Hi 53 °F Lo 37 °F Hi 61 °F Lo 42 °F Hi 64 °F Lo 58 °F Hi 68 °F Lo 55 °F Hi 74 °F

Hazardous Weather Outlook
 

This Afternoon
 
 A slight chance of drizzle before 5pm. Patchy fog before 4pm. Otherwise, mostly cloudy, with a high near 53. North wind 3 to 6 mph.
Tonight
 
 Mostly cloudy, with a low around 37. Light north wind.
Washington's Birthday
 
 Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 61. Calm wind.
Monday Night
 
 Partly cloudy, with a low around 42. Calm wind.
Tuesday
 
 Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
 
 Cloudy, with a low around 58.
Wednesday
 
 Mostly cloudy, with a high near 68.
Wednesday Night
 
 A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Thursday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 74.
Thursday Night
 
 Showers likely, mainly after midnight. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Friday
 
 A 40 percent chance of showers. Mostly cloudy, with a high near 63.
Friday Night
 
 A 50 percent chance of showers. Mostly cloudy, with a low around 40.
Saturday
 
 A 30 percent chance of showers. Mostly sunny, with a high near 54.

 

Forecast from NOAA-NWS for Mammoth Cave KY.

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






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