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

Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

A Few Clouds

69°F

21°C

Humidity 70%
Wind Speed N 5 mph
Barometer 30.04 in (1015.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 30 Jul 8:53 pm EDT
Extended Forecast for

Kingsport TN

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%.

    High: 83 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 68. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 68 °F

    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 56. Calm wind.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 85. Calm wind.
Friday Night
Mostly cloudy, with a low around 64. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. High near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 68. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kingsport TN
 36.54°N 82.57°W (Elev. 1194 ft)
Last Update:
7:06 pm EDT Jul 30, 2026
Forecast Valid:
9pm EDT Jul 30, 2026-6pm EDT Aug 6, 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