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

Big Sandy Regional Airport (KSJS)

Lat: 37.75°NLon: 82.64°WElev: 1220ft.

Fair

85°F

29°C

Humidity 53%
Wind Speed N 3 mph
Barometer 30.07 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Aug 6:55 pm EDT
Extended Forecast for

Prestonsburg KY

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind.

    High: 92 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Areas of dense fog between 9am and 10am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind.

    High: 90 °F

    Areas Dense
    Fog then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 88.

    High: 88 °F

    Areas Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, mostly clear, with a low around 66.

    Low: 66 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, sunny and hot, with a high near 90.

    High: 90 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Patchy fog after 11pm. Otherwise, mostly clear, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms and
    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 67. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind.
Tuesday Night
Mostly clear, with a low around 69. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Areas of dense fog between 9am and 10am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, mostly clear, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, sunny and hot, with a high near 90.
Friday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Patchy fog after 11pm. Otherwise, mostly clear, with a low around 66. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 87.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Sunday Night
A chance of thunderstorms. Mostly clear, with a low around 59. Chance of precipitation is 30%.
Monday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Prestonsburg KY
 37.67°N 82.75°W (Elev. 636 ft)
Last Update:
5:21 pm EDT Aug 18, 2025
Forecast Valid:
7pm EDT Aug 18, 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