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.

Fair

79°F

26°C

Humidity 43%
Wind Speed NW 5 mph
Barometer 30.06 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 1:35 pm EDT
Extended Forecast for

Viper KY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. Light west northwest wind.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 69. Light south wind becoming south southwest 5 to 10 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely before 11am, then showers between 11am and noon, then showers and possibly a thunderstorm after noon. High near 79. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 79 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers before 2pm. Partly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. Light west northwest wind.
Tonight
Mostly clear, with a low around 63. Calm wind.
Sunday
Sunny, with a high near 86. Calm wind.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 69. Light south wind becoming south southwest 5 to 10 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Monday
Showers and thunderstorms likely before 11am, then showers between 11am and noon, then showers and possibly a thunderstorm after noon. High near 79. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers before 2pm. Partly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 60.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Viper KY
 37.16°N 83.12°W (Elev. 1480 ft)
Last Update:
11:06 am EDT Jun 20, 2026
Forecast Valid:
1pm EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
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