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 >

Current conditions at

Williamsburg-Whitley County Airport (KBYL)

Lat: 36.8°NLon: 84.2°WElev: 1165ft.

Fair

70°F

21°C

Humidity 99%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 20 Aug 1:35 am EDT
Extended Forecast for

3 Miles E Jellico TN

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 82. West wind around 5 mph becoming south in the morning.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly between 1am and 2am.  Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 81. Calm wind.  Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Northwest wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 69. South wind around 5 mph.
Thursday
Showers and thunderstorms likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. West wind around 5 mph becoming south in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 68. Calm wind.
Friday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 81. Calm wind. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Jellico TN
 36.57°N 84.07°W (Elev. 1759 ft)
1:06 am EDT Aug 20, 2026
1am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database