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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Overcast

50°F

10°C

Humidity 96%
Wind Speed Calm
Barometer 30.18 in (1020.6 mb)
Dewpoint 49°F (9°C)
Visibility 7.00 mi
Last update 25 Dec 1:53 am EST
Extended Forecast for

Central TN

  • Overnight

    Overnight: A 50 percent chance of showers after 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 49. Calm wind becoming south around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers and
    Patchy Fog

  • Christmas Day

    Christmas Day: A 40 percent chance of showers, mainly after 9am. Mostly cloudy, with a high near 66. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly between 7am and 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 67. Southwest wind 5 to 10 mph.

    High: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 56. West wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 69. West wind around 5 mph.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of showers after 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 49. Calm wind becoming south around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
A 40 percent chance of showers, mainly after 9am. Mostly cloudy, with a high near 66. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of showers. Cloudy, with a low around 55. Calm wind.
Friday
A 40 percent chance of showers, mainly between 7am and 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 67. Southwest wind 5 to 10 mph.
Friday Night
Showers likely. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 56. West wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 69. West wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around 49. Calm wind.
Sunday
Mostly cloudy, with a high near 69.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 60%.
Monday Night
A chance of flurries. Mostly cloudy, with a low around 16.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Central TN
 36.34°N 82.29°W (Elev. 1598 ft)
Last Update:
12:31 am EST Dec 25, 2025
Forecast Valid:
1am EST Dec 25, 2025-6pm EST Dec 31, 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