National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Glasgow, Glasgow Municipal Airport (KGLW)

Lat: 37.03°NLon: 85.95°WElev: 715ft.

Fair

68°F

20°C

Humidity 76%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 23 Jun 8:35 pm CDT
Extended Forecast for

Mammoth Cave KY

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.

    Low: 72 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 57. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 81. Calm wind.
Wednesday Night
Partly cloudy, with a low around 63. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86. Light and variable wind.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny and hot, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Cave KY
 37.21°N 86.06°W (Elev. 702 ft)
Last Update:
1:25 pm CDT Jun 23, 2026
Forecast Valid:
8pm CDT Jun 23, 2026-6pm CDT Jun 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation