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

Hazardous Weather Conditions

Current conditions at

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Overcast

82°F

28°C

Humidity 61%
Wind Speed E 3 mph
Barometer 30.23 in
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Heat Index85°F (29°C)
Last update 5 Aug 3:15 pm EDT
Extended Forecast for

Grays Knob KY

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 84. Calm wind.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy fog after 10pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 86. Calm wind. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers and
    Areas Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Areas of fog before 1am, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms and
    Areas Fog
    then Patchy
    Fog

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Areas Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms and
    Patchy Fog
    then Areas
    Fog

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms and
    Areas Fog

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 89.

    High: 89 °F

    Areas Fog
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 84. Calm wind.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy fog after 10pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 86. Calm wind. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Areas of fog before 1am, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Calm wind.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 65.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 89.
Saturday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 64.
Sunday
A 20 percent chance of showers and thunderstorms. Areas of fog. Otherwise, mostly sunny and hot, with a high near 90.
Sunday Night
A 10 percent chance of showers and thunderstorms. Patchy fog. Otherwise, partly cloudy, with a low around 66.
Monday
A 30 percent chance of showers and thunderstorms. Areas of fog. Otherwise, mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Grays Knob KY
 36.82°N 83.32°W (Elev. 1198 ft)
Last Update:
2:47 pm EDT Aug 5, 2025
Forecast Valid:
3pm EDT Aug 5, 2025-6pm EDT Aug 11, 2025
 
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