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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Glasgow, Glasgow Municipal Airport (KGLW)

Lat: 37.03°NLon: 85.95°WElev: 715ft.

Mostly Cloudy

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 11 Oct 6:35 pm CDT
Extended Forecast for

Mammoth Cave KY

  • Tonight

    Tonight: Patchy fog before 9pm, then patchy fog after 4am. Otherwise, mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Columbus Day

    Columbus Day: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61. Light south wind.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Southwest wind 3 to 7 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Light south wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog before 9pm, then patchy fog after 4am. Otherwise, mostly clear, with a low around 54. Calm wind.
Columbus Day
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 61. Light south wind.
Tuesday
Sunny, with a high near 88. Southwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 65. Light south wind.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 88.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Cave KY
 37.19°N 86.12°W (Elev. 597 ft)
Last Update:
1:26 pm CDT Oct 11, 2026
Forecast Valid:
6pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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