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

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Mostly Cloudy

29°C

84°F

Humidity 67%
Wind Speed SW 24 km/h
Barometer 1012.0 mb (29.97 in)
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index32°C (90°F)
Last update 21 Jul 11:53 am EDT
Extended Forecast for

Johnson City TN

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny and hot, with a high near 33. Heat index values as high as 36. West wind around 20 km/h, with gusts as high as 35 km/h.

    High: 33 °C

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 21. Southwest wind around 10 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    Low: 21 °C

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 29. Southwest wind 10 to 15 km/h. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.

    High: 29 °C

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 18. North wind 5 to 10 km/h. Chance of precipitation is 80%.

    Low: 18 °C

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 29. North wind 5 to 10 km/h. Chance of precipitation is 30%.

    High: 29 °C

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Partly cloudy, with a low around 18. East wind around 10 km/h. Chance of precipitation is 30%.

    Low: 18 °C

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 29. Southeast wind 5 to 10 km/h. Chance of precipitation is 40%.

    High: 29 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °C

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.

    High: 28 °C

    Showers
    Likely

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny and hot, with a high near 33. Heat index values as high as 36. West wind around 20 km/h, with gusts as high as 35 km/h.
Tonight
Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 21. Southwest wind around 10 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Wednesday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 29. Southwest wind 10 to 15 km/h. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.
Wednesday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 18. North wind 5 to 10 km/h. Chance of precipitation is 80%.
Thursday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 29. North wind 5 to 10 km/h. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Partly cloudy, with a low around 18. East wind around 10 km/h. Chance of precipitation is 30%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 29. Southeast wind 5 to 10 km/h. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 30.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 20.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnson City TN
 36.32°N 82.37°W (Elev. 1699 m)
Last Update:
7:06 am EDT Jul 21, 2026
Forecast Valid:
12pm EDT Jul 21, 2026-6pm EDT Jul 27, 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