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

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

73°F

23°C

Humidity 90%
Wind Speed N 3 mph
Barometer 30.02 in (1014.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 8:53 pm EDT
Extended Forecast for

5 Miles NW Walnut Hill TN

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 83. West wind 5 to 10 mph.  Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly between midnight and 5am.  Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 82 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday Night

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

    Low: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. West wind around 5 mph becoming calm.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Calm wind.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 83. West wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly between midnight and 5am. Partly cloudy, with a low around 66. Calm wind.
Friday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. West wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Walnut Hill TN
 36.63°N 82.31°W (Elev. 1985 ft)
7:06 pm EDT Aug 19, 2026
9pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database