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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

27°F

-3°C

Humidity 96%
Wind Speed Calm
Barometer 29.93 in (1013.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 10 Dec 1:53 am EST
Extended Forecast for

Mountain Home TN

Wind Advisory December 10, 10:00am until December 10, 05:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. Calm wind becoming south around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 52. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 35 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain showers likely before 9pm, then a chance of rain and snow showers between 9pm and 10pm, then a chance of snow showers after 10pm. Cloudy, with a low around 27. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Thursday

    Thursday: A 10 percent chance of snow showers before 7am. Mostly cloudy, with a high near 35. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 35 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. Southwest wind around 5 mph becoming calm.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow showers before 9am, then a slight chance of rain showers between 9am and 1pm. Partly sunny, with a high near 49. Light south wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. West wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain showers between 1am and 4am, then a slight chance of snow showers after 4am. Partly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. Calm wind becoming south around 5 mph.
Wednesday
A 50 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 52. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 35 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain showers likely before 9pm, then a chance of rain and snow showers between 9pm and 10pm, then a chance of snow showers after 10pm. Cloudy, with a low around 27. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A 10 percent chance of snow showers before 7am. Mostly cloudy, with a high near 35. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 24. Southwest wind around 5 mph becoming calm.
Friday
A slight chance of snow showers before 9am, then a slight chance of rain showers between 9am and 1pm. Partly sunny, with a high near 49. Light south wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 31. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
A slight chance of rain showers between 1am and 4am, then a slight chance of snow showers after 4am. Partly cloudy, with a low around 29. Chance of precipitation is 20%.
Sunday
A 10 percent chance of snow showers before 7am. Mostly sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 14.
Monday
Sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 47.
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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:
12:41 am EST Dec 10, 2025
Forecast Valid:
2am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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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