Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Williamsburg-Whitley County Airport (KBYL)

Lat: 36.8°NLon: 84.2°WElev: 1165ft.

Fog

65°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 65°F (18°C)
Visibility 0.25 mi
Last update 19 Aug 5:55 am EDT
Extended Forecast for

6 Miles NNW Newcomb TN

  • Today

    Today: Patchy fog before 9am.  Otherwise, sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am.  Increasing clouds, with a low around 69. Calm wind.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Mostly Clear
    then Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am.  Patchy fog before 10am. High near 85. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 84. Light and variable wind.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 88. Light and variable wind.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm, mainly before 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 10am. High near 85. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 84. Light and variable wind. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Newcomb TN
 36.63°N 84.24°W (Elev. 1158 ft)
4:51 am EDT Aug 19, 2026
6am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
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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