Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

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

2 Miles WNW Denniston KY

Flood Watch August 17, 07:23am until August 18, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 17, 07:23am until August 18, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Today

    High: 84 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 82. Light northwest wind.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10am. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light northwest wind.
Tuesday Night
Mostly clear, with a low around 63. Calm wind.
Wednesday
Mostly sunny, with a high near 85. Light and variable wind.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 62.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Denniston KY
 37.93°N 83.57°W (Elev. 1188 ft)
7:00 am EDT Aug 17, 2026
7am EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
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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