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

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Mostly Cloudy

51°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 29.63 in (1001.8 mb)
Dewpoint 51°F (11°C)
Visibility 8.00 mi
Last update 20 Feb 3:53 am EST
Extended Forecast for

Mountain Home TN

  • Overnight

    Overnight: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a steady temperature around 63. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers between 7am and 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers
    Likely then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers after 4am. Increasing clouds, with a low around 44. West wind around 5 mph becoming calm after midnight.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 57. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 57 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of rain showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Light west wind becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 50%.

    Low: 35 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: A 30 percent chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 39. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 39 °F

    Chance Snow
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 23. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Chance Snow
    Showers and
    Breezy

  • Monday

    Monday: A 20 percent chance of snow showers. Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a steady temperature around 63. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers between 7am and 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 44. West wind around 5 mph becoming calm after midnight.
Saturday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 57. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
A chance of rain showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35. Light west wind becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 50%.
Sunday
A 30 percent chance of snow showers, mainly before 1pm. Mostly cloudy, with a high near 39. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 23. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 32. Breezy.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 52.
Wednesday Night
A 50 percent chance of showers. Cloudy, with a low around 40.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Home TN
 36.3°N 82.37°W (Elev. 1900 ft)
Last Update:
1:26 am EST Feb 20, 2026
Forecast Valid:
4am EST Feb 20, 2026-6pm EST Feb 26, 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