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

Hazardous Weather Conditions

Current conditions at

Clyde A. Thomas Regional Airport (KSYM)

Lat: 38.22°NLon: 83.59°WElev: 1047ft.

Partly Cloudy

77°F

25°C

Humidity 1%
Wind Speed Calm
Barometer 30.11 in
Dewpoint -35°F (-37°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 12 Jul 1:35 pm EDT
Extended Forecast for

Denniston KY

Flood Watch July 12, 01:44pm until July 13, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 12, 01:44pm until July 13, 02:00am

    NOW until 2:00am Mon

    Flood Watch

  • This Afternoon

    High: 78 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. East northeast wind 3 to 6 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 64. East wind 3 to 5 mph.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. East wind 3 to 5 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 78. Light east southeast wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 66. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 81. East northeast wind 3 to 6 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 64. East wind 3 to 5 mph.
Tuesday
Sunny, with a high near 84. East wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 69.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 87.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Denniston KY
 37.9°N 83.54°W (Elev. 1142 ft)
Last Update:
12:40 pm EDT Jul 12, 2026
Forecast Valid:
1pm EDT Jul 12, 2026-6pm EDT Jul 18, 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