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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Harlan (KI35)

Lat: 36.86°NLon: 83.36°WElev: 1551ft.

Fair

78°F

26°C

Humidity 73%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 69°F (21°C)
Visibility 7.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 6:55 pm EDT
Extended Forecast for

Harlan KY

  • Tonight

    Tonight: Increasing clouds, with a low around 67. Calm wind.

    Low: 67 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon, then a slight chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 82. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64. 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: 64 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 82.

    High: 82 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 67. Calm wind.
Thursday
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon, then a slight chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 82. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harlan KY
 36.86°N 83.29°W (Elev. 1886 ft)
Last Update:
6:41 pm EDT Aug 19, 2026
Forecast Valid:
7pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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