National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Light Snow

27°F

-3°C

Humidity 72%
Wind Speed SW 14 mph
Barometer 30.11 in (1020.0 mb)
Dewpoint 19°F (-7°C)
Visibility 9.00 mi
Wind Chill16°F (-9°C)
Last update 17 Mar 10:53 am EDT
Extended Forecast for

Jonesborough TN

  • Today

    Today: A slight chance of snow showers before 4pm, then a chance of flurries with a slight chance of snow showers between 4pm and 5pm, then a slight chance of snow showers after 5pm. Partly sunny, with a high near 33. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Northwest wind around 5 mph becoming calm in the evening.

    Low: 18 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of flurries before noon, then a slight chance of sprinkles. Mostly cloudy, with a high near 44. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 44 °F

    Slight Chance
    Sprinkles/Flurries

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. Calm wind becoming south around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57. Calm wind becoming west around 5 mph in the afternoon.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow showers before 4pm, then a chance of flurries with a slight chance of snow showers between 4pm and 5pm, then a slight chance of snow showers after 5pm. Partly sunny, with a high near 33. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 18. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of flurries before noon, then a slight chance of sprinkles. Mostly cloudy, with a high near 44. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 30. Calm wind becoming south around 5 mph.
Thursday
Partly sunny, with a high near 57. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 38. Calm wind.
Friday
Mostly sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jonesborough TN
 36.28°N 82.49°W (Elev. 1732 ft)
Last Update:
7:51 am EDT Mar 17, 2026
Forecast Valid:
11am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation