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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Denniston KY

  • Today

    Today: Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 85. Light and variable wind.

    High: 85 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 69. Light south southeast wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 78. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 78 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 65. Calm wind.
Sunday
Increasing clouds, with a high near 85. Light and variable wind.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 69. Light south southeast wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 78. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 61.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denniston KY
 37.93°N 83.54°W (Elev. 1142 ft)
Last Update:
2:33 am EDT Jun 20, 2026
Forecast Valid:
4am EDT Jun 20, 2026-6pm EDT Jun 26, 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