Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

32°F

0°C

Humidity 88%
Wind Speed Calm
Barometer 30.24 in (1023.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 19 Mar 7:53 am EDT
Extended Forecast for

3 Miles N Jonesborough TN

  • Today

    Today: Partly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 50. Southwest wind around 5 mph.

    Low: 50 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 71. West wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm.  Partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Light south wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 2am.  Partly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers.  Mostly sunny, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 58. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 35. Calm wind.
Friday
Mostly sunny, with a high near 67. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 50. Southwest wind around 5 mph.
Saturday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 71. West wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 78. Light south wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 54.
Monday
A chance of showers and thunderstorms before 2pm, then a slight chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 30%.
Monday Night
A 10 percent chance of showers before 8pm. Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 37.
Wednesday
A 10 percent chance of showers. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Jonesborough TN
 36.33°N 82.48°W (Elev. 1706 ft)
8:11 am EDT Mar 19, 2026
8am EDT Mar 19, 2026-6pm EDT Mar 25, 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