Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Mostly Cloudy

65°F

18°C

Humidity 39%
Wind Speed SW 5 mph
Barometer 30.18 in (1020.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 21 Apr 7:53 pm EDT
Extended Forecast for

Jonesborough TN

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. West wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am.  Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 73. Chance of precipitation is 90%.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. South wind around 5 mph.
Wednesday
Sunny, with a high near 75. West wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 51. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. Calm wind.
Friday
Sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 73. Chance of precipitation is 90%.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 74. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Jonesborough TN
 36.28°N 82.49°W (Elev. 1732 ft)
7:06 pm EDT Apr 21, 2026
8pm EDT Apr 21, 2026-6pm EDT Apr 28, 2026
 
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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