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.

Mostly Cloudy

87°F

31°C

Humidity 61%
Wind Speed W 3 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 11 Jul 2:55 pm EDT
Extended Forecast for

3 Miles SW Viper KY

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 4am. Mostly clear, with a low around 67. Calm wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Light southwest wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 89. Light west southwest wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, mostly sunny and hot, with a high near 91.

    High: 91 °F

    Areas Fog
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 4am. Mostly clear, with a low around 67. Calm wind. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 66. Light southwest wind.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 89. Light west southwest wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, mostly sunny and hot, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 68.
Wednesday
A 40 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly sunny and hot, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, partly cloudy, with a low around 71.
Thursday
Showers and thunderstorms likely. Patchy fog. Otherwise, mostly sunny and hot, with a high near 90. Chance of precipitation is 70%.
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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:
2:31 pm EDT Jul 11, 2025
Forecast Valid:
3pm EDT Jul 11, 2025-6pm EDT Jul 17, 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