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

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

A Few Clouds

76°F

24°C

Humidity 35%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1016.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Oct 3:53 pm EDT
Extended Forecast for

Mountain Home TN

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind becoming southeast around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

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

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. East wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly after 8pm. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Calm wind becoming southeast around 5 mph.
Wednesday
Sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. Calm wind.
Thursday
Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. Calm wind.
Friday
Mostly sunny, with a high near 82. Calm wind.
Friday Night
Partly cloudy, with a low around 55. East wind around 5 mph.
Saturday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 77.
Saturday Night
A 50 percent chance of showers, mainly after 8pm. Mostly cloudy, with a low around 57.
Sunday
Showers likely. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Columbus Day
A 40 percent chance of showers. Mostly cloudy, with a high near 74.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Home TN
 36.32°N 82.34°W (Elev. 1696 ft)
Last Update:
2:26 pm EDT Oct 6, 2026
Forecast Valid:
4pm EDT Oct 6, 2026-6pm EDT Oct 13, 2026
 
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