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.

Fog

66°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 65°F (18°C)
Visibility 0.50 mi
Last update 18 Sep 7:53 am EDT
Extended Forecast for

Johnson City TN

  • Today

    Today: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 95. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Sunny then
    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 89. Calm wind.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Partly cloudy, with a low around 65. Southeast wind around 5 mph.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph. Chance of precipitation is 50%.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Calm wind. Chance of precipitation is 50%.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Today
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 95. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 89. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Partly cloudy, with a low around 65. Southeast wind around 5 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.
Monday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Calm wind. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 63. Chance of precipitation is 80%.
Wednesday
Showers likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnson City TN
 36.34°N 82.4°W (Elev. 1699 ft)
Last Update:
7:06 am EDT Sep 18, 2026
Forecast Valid:
8am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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