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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Williamsburg-Whitley County Airport (KBYL)

Lat: 36.8°NLon: 84.2°WElev: 1165ft.

A Few Clouds

89°F

32°C

Humidity 56%
Wind Speed NW 5 mph
Barometer 30.23 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 17 Sep 4:55 pm EDT
Extended Forecast for

Barbourville KY

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy dense fog after 11pm. Otherwise, mostly clear, with a low around 66. Calm wind. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Dense Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Areas of dense fog before 10am. Otherwise, mostly sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 93 °F

    Areas Dense
    Fog then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 11pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog
    then Areas
    Fog

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind.

    High: 91 °F

    Areas Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy dense fog after 11pm. Otherwise, mostly clear, with a low around 66. Calm wind. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Areas of dense fog before 10am. Otherwise, mostly sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms before 11pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 68. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 65. Calm wind.
Sunday
Mostly sunny and hot, with a high near 91.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 79.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Barbourville KY
 36.88°N 83.9°W (Elev. 994 ft)
Last Update:
5:31 pm EDT Sep 17, 2026
Forecast Valid:
6pm EDT Sep 17, 2026-6pm EDT Sep 24, 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