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

Clyde A. Thomas Regional Airport (KSYM)

Lat: 38.22°NLon: 83.59°WElev: 1047ft.

Fair

64°F

18°C

Humidity 34%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 12 May 10:15 pm EDT
Extended Forecast for

Denniston KY

  • Tonight

    Tonight: Increasing clouds, with a steady temperature around 57. Southwest wind 3 to 7 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 74. West southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 65. North northwest wind 7 to 9 mph, with gusts as high as 16 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a steady temperature around 57. Southwest wind 3 to 7 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 74. West southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 44. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 65. North northwest wind 7 to 9 mph, with gusts as high as 16 mph.
Thursday Night
Mostly clear, with a low around 43. Light and variable wind.
Friday
Mostly sunny, with a high near 74.
Friday Night
A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 60.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny and hot, with a high near 91.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denniston KY
 37.9°N 83.54°W (Elev. 1142 ft)
Last Update:
8:56 pm EDT May 12, 2026
Forecast Valid:
10pm EDT May 12, 2026-6pm EDT May 19, 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