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

82°F

28°C

Humidity 79%
Wind Speed SW 3 mph
Barometer 30.11 in
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index89°F (32°C)
Last update 16 Aug 7:35 pm EDT
Extended Forecast for

3 Miles SW Viper KY

  • Tonight

    Tonight: A chance of sprinkles before 9pm. Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny and hot, with a high near 91. Heat index values as high as 97. Light and variable wind.

    High: 91 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of sprinkles before 9pm. Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny and hot, with a high near 91. Heat index values as high as 97. Light and variable wind.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. Calm wind.
Monday
Sunny and hot, with a high near 90. Calm wind.
Monday Night
Mostly clear, with a low around 68. Calm wind.
Tuesday
Sunny and hot, with a high near 93.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 70. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
Thursday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Viper KY
 37.17°N 83.2°W (Elev. 1401 ft)
Last Update:
7:47 pm EDT Aug 16, 2025
Forecast Valid:
7pm EDT Aug 16, 2025-6pm EDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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