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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

69°F

21°C

Humidity 87%
Wind Speed N 3 mph
Barometer 30.13 in (1017.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 28 Aug 10:53 pm EDT
Extended Forecast for

Kingsport TN

  • Tonight

    Tonight: Mostly clear, with a low around 63. North wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 90. Calm wind.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind.

    High: 90 °F

    Hot

  • Sunday Night

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

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 63. North wind around 5 mph becoming calm after midnight.
Saturday
A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 90. Calm wind.
Saturday Night
Mostly clear, with a low around 66. Calm wind.
Sunday
Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind.
Sunday Night
Mostly clear, with a low around 67. Calm wind.
Monday
Mostly sunny and hot, with a high near 91. Calm wind.
Monday Night
Mostly clear, with a low around 68. Calm wind.
Tuesday
Sunny and hot, with a high near 93.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Mostly sunny and hot, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
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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 Aug 28, 2026
Forecast Valid:
11pm EDT Aug 28, 2026-6pm EDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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