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

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Fair

31°F

-1°C

Humidity 79%
Wind Speed Calm
Barometer 30.14 in (1020.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 18 Nov 1:53 am EST
Extended Forecast for

Mountain Home TN

  • Overnight

    Overnight: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 66 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers between 1am and 5am. Mostly cloudy, with a low around 50. South wind around 5 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers after 7am. Mostly cloudy, with a high near 65. Southwest wind around 5 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Wednesday Night

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

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 68. Calm wind becoming west around 5 mph.

    High: 68 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely. Cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Calm wind.
Tuesday
Increasing clouds, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers between 1am and 5am. Mostly cloudy, with a low around 50. South wind around 5 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers after 7am. Mostly cloudy, with a high near 65. Southwest wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 52. Calm wind.
Thursday
Mostly cloudy, with a high near 68. Calm wind becoming west around 5 mph.
Thursday Night
A 40 percent chance of showers. Cloudy, with a low around 54. Calm wind.
Friday
A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 68.
Friday Night
Showers likely. Cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Home TN
 36.3°N 82.4°W (Elev. 1768 ft)
Last Update:
12:31 am EST Nov 18, 2025
Forecast Valid:
2am EST Nov 18, 2025-6pm EST Nov 24, 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