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

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Overcast

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 19 Aug 1:35 am EDT
Extended Forecast for

2 Miles WNW Grays Knob KY

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, clear, with a low around 69. Calm wind.

    Low: 69 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    T-storms and
    Areas Fog

  • 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 68.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, clear, with a low around 69. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind.
Tuesday Night
Mostly clear, with a low around 71. Calm wind.
Wednesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 68.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 88. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 68. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
A chance of thunderstorms. Mostly clear, with a low around 60. Chance of precipitation is 30%.
Monday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Grays Knob KY
 36.82°N 83.32°W (Elev. 1198 ft)
Last Update:
1:52 am EDT Aug 19, 2025
Forecast Valid:
2am EDT Aug 19, 2025-6pm EDT Aug 25, 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