Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Partly Cloudy

89°F

32°C

Humidity 68%
Wind Speed W 7 G 21 mph
Barometer 29.74 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 28 Jul 3:15 pm EDT
Extended Forecast for

Happy KY

Severe T-storm Watch until July 28, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until July 28, 08:00pm

    NOW until 8:00pm Tue

    Severe T-storm Watch

  • This Afternoon

    High: 89 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Some of the storms could be severe.  Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 63. Light north northwest wind.

    Low: 63 °F

    Severe
    Thunderstorms
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 9am.  Otherwise, mostly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.

    High: 82 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 55. Light north northwest wind.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 10am.  Otherwise, sunny, with a high near 83. Light north wind.

    High: 83 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 54.

    Low: 54 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 86.

    High: 86 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 89. Heat index values as high as 95. West northwest wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. 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. Some of the storms could be severe. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 63. Light north northwest wind.
Wednesday
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 55. Light north northwest wind.
Thursday
Areas of fog before 10am. Otherwise, sunny, with a high near 83. Light north wind.
Thursday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 54.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 86.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Happy KY
 37.2°N 83.08°W (Elev. 942 ft)
3:06 pm EDT Jul 28, 2026
3pm EDT Jul 28, 2026-6pm EDT Aug 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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