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.

Partly Cloudy

58°F

14°C

Humidity 75%
Wind Speed Calm
Barometer 30.32 in (1025.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 24 Dec 9:53 am EST
Extended Forecast for

Tri-Cities Airport TN

  • Today

    Today: Partly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 50. Calm wind becoming southwest around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Christmas Day

    Christmas Day: Showers. High near 65. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Cloudy, with a low around 51. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 64. South wind 5 to 10 mph.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph.

    High: 69 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 64. Calm wind.
Tonight
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 50. Calm wind becoming southwest around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Showers. High near 65. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly before 1am. Cloudy, with a low around 51. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 64. South wind 5 to 10 mph.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 52. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49.
Sunday
Showers likely, mainly after 1pm. Cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tri-Cities Airport TN
 36.48°N 82.41°W (Elev. 1499 ft)
Last Update:
6:06 am EST Dec 24, 2025
Forecast Valid:
10am EST Dec 24, 2025-6pm EST Dec 30, 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