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.

Fair

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 30.10 in (1016.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 4 Sep 12:53 am EDT
Extended Forecast for

Jonesborough TN

  • Overnight

    Overnight: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 94. Heat index values as high as 99. Calm wind becoming west around 5 mph.

    High: 94 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67. West wind around 5 mph becoming calm.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 88 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 64. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Labor Day

    Labor Day: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 70. Calm wind.
Friday
Sunny and hot, with a high near 94. Heat index values as high as 99. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 70. Calm wind.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67. West wind around 5 mph becoming calm.
Sunday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 64. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Labor Day
Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jonesborough TN
 36.28°N 82.49°W (Elev. 1732 ft)
Last Update:
1:06 am EDT Sep 4, 2026
Forecast Valid:
1am EDT Sep 4, 2026-6pm EDT Sep 10, 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