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

Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Mostly Cloudy

43°F

6°C

Humidity 60%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 1 Dec 4:53 pm EST
Extended Forecast for

Mountain Home TN

  • Tonight

    Tonight: Rain, mainly after 10pm. Patchy fog between 3am and 5am. Low around 39. East wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain, mainly before 9am. Patchy fog before noon. High near 44. Light west wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain and
    Patchy Fog
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 24. Northwest wind around 5 mph becoming calm in the evening.

    Low: 24 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 46. Calm wind.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 45. Calm wind becoming west around 5 mph in the morning.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow before 8am, then a chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly after 10pm. Patchy fog between 3am and 5am. Low around 39. East wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain, mainly before 9am. Patchy fog before noon. High near 44. Light west wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 24. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 46. Calm wind.
Wednesday Night
Mostly clear, with a low around 28. Calm wind.
Thursday
Partly sunny, with a high near 45. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 29. Calm wind.
Friday
A chance of snow before 8am, then a chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 35.
Saturday
A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 48.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 49.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 44.
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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:
2:21 pm EST Dec 1, 2025
Forecast Valid:
5pm EST Dec 1, 2025-6pm EST Dec 8, 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