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

Marginal Risks of Severe Storms on the Central Plains; Flash flooding on the Northern Plains; Frost & Freeze Warnings in portions of the West & Northeast

A storm system developing across the Plains may cause locally severe weather in western Kansas and southwestern Nebraska today, with isolated flash flooding possible in portions of eastern Montana and western North Dakota. Frost and Freeze Warnings are in effect for portions of the central Rockies and central Appalachians tonight into Friday morning. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Fair

58°F

14°C

Humidity 78%
Wind Speed Calm
Barometer 30.16 in (1019.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 Oct 9:53 am EDT
Extended Forecast for

Johnson City TN

  • Today

    Today: Sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northeast wind around 5 mph becoming calm.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 59. Calm wind becoming south around 5 mph after midnight.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly clear, with a low around 41. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 42. Northeast wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 59. Calm wind becoming south around 5 mph after midnight.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly clear, with a low around 41. Chance of precipitation is 20%.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 74.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 48.
Wednesday
A 10 percent chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnson City TN
 36.32°N 82.37°W (Elev. 1699 ft)
Last Update:
8:21 am EDT Oct 16, 2025
Forecast Valid:
10am EDT Oct 16, 2025-6pm EDT Oct 22, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation