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

69°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 30.09 in (1016.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Sep 10:53 pm EDT
Extended Forecast for

Mountain Home TN

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. South wind around 5 mph becoming west in the afternoon.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind around 5 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Southeast wind around 5 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. South wind around 5 mph becoming west in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 67. Calm wind.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind around 5 mph. Chance of precipitation is 50%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Southeast wind around 5 mph. Chance of precipitation is 80%.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 75.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountain Home TN
 36.3°N 82.37°W (Elev. 1900 ft)
Last Update:
7:06 pm EDT Sep 19, 2026
Forecast Valid:
12am EDT Sep 20, 2026-6pm EDT Sep 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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