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 >

Current conditions at

Bristol / Johnson / Kingsport, Tri-City Regional Airport (KTRI)

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in (1014.3 mb)
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 19 Aug 1:53 am EDT
Extended Forecast for

6 Miles NW Walnut Hill TN

  • Overnight

    Overnight: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 10am.  Otherwise, sunny, with a high near 86. Calm wind becoming west around 5 mph.

    High: 86 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then a chance of thunderstorms after 5pm.  Mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.  Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Partly cloudy, with a low around 66. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely 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 83. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 65. Calm wind.  Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 64. Calm wind.
Wednesday
Areas of fog before 10am. Otherwise, sunny, with a high near 86. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 67. Calm wind.
Thursday
A chance of showers and thunderstorms before 1pm, then a chance of thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
Showers likely 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 83. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 62.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Walnut Hill TN
 36.63°N 82.34°W (Elev. 1781 ft)
2:26 am EDT Aug 19, 2026
2am 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