Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

62°F

17°C

Humidity 86%
Wind Speed Calm
Barometer 30.08 in (1016.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 29 Aug 10:53 pm EDT
Extended Forecast for

Johnson City TN

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 83. Calm wind becoming northwest around 5 mph.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Labor Day

    Labor Day: A 30 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 79. Calm wind becoming southeast around 5 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 75.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers.  Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming northwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 57. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Calm wind.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.
Labor Day
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Calm wind becoming southeast around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 57. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Johnson City TN
 36.32°N 82.37°W (Elev. 1699 ft)
7:06 pm EDT Aug 29, 2025
11pm EDT Aug 29, 2025-6pm EDT Sep 5, 2025
 
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