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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Williamsburg-Whitley County Airport (KBYL)

Lat: 36.8°NLon: 84.2°WElev: 1165ft.

Fair

74°F

23°C

Humidity 92%
Wind Speed SE 6 mph
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Sep 8:35 pm EDT
Extended Forecast for

Barbourville KY

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly sunny and hot, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A slight chance of showers before 7am, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 95. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 77. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 67. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny and hot, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 66. Calm wind.
Monday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 95. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 62. Chance of precipitation is 80%.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 77. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Thursday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 10%.
Friday
Partly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Barbourville KY
 36.88°N 83.88°W (Elev. 997 ft)
Last Update:
8:36 pm EDT Sep 19, 2026
Forecast Valid:
8pm EDT Sep 19, 2026-6pm EDT Sep 26, 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