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

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Fair

74°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 74°F (23°C)
Visibility 5.00 mi
Last update 16 Aug 12:55 am EDT
Extended Forecast for

Happy KY

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind becoming west 5 to 8 mph in the morning.

    High: 92 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 11pm. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 72. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 99. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers and
    Areas Dense
    Fog then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 86.

    High: 86 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 72. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind becoming west 5 to 8 mph in the morning.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 11pm. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 72. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 99. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 88.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy KY
 37.2°N 83.08°W (Elev. 942 ft)
Last Update:
12:56 am EDT Aug 16, 2026
Forecast Valid:
1am EDT Aug 16, 2026-6pm EDT Aug 22, 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