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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Fair

72°F

22°C

Humidity 99%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 72°F (22°C)
Visibility 5.00 mi
Last update 17 Sep 10:35 pm EDT
Extended Forecast for

4 Miles SW Big Creek KY

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Patchy Fog

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Areas of fog before 10am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 97. Light and variable wind.

    High: 91 °F

    Areas Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog
    then Areas
    Fog

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 67. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Areas of fog before 10am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 97. Light and variable wind.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 89. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 78.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Big Creek KY
 37.13°N 83.63°W (Elev. 1047 ft)
Last Update:
7:11 pm EDT Sep 17, 2026
Forecast Valid:
10pm EDT Sep 17, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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