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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

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

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Overcast

56°F

13°C

Humidity 67%
Wind Speed W 5 mph
Barometer 30.27 in (1023.8 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 23 Dec 11:53 pm EST
Extended Forecast for

Tri-Cities Airport TN

  • Overnight

    Overnight: A 50 percent chance of showers, mainly before 5am. Cloudy, with a low around 51. West wind around 5 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Calm wind becoming southwest around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Christmas Day

    Christmas Day: Showers likely. Cloudy, with a high near 64. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Cloudy, with a low around 55. West wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 65. South wind 5 to 10 mph.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 55. Southwest wind around 5 mph.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers, mainly before 5am. Cloudy, with a low around 51. West wind around 5 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind.
Wednesday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 51. Calm wind becoming southwest around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Showers likely. Cloudy, with a high near 64. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely, mainly before 1am. Cloudy, with a low around 55. West wind around 5 mph becoming calm. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 65. South wind 5 to 10 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55. Southwest wind around 5 mph.
Saturday
Mostly cloudy, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Showers likely, mainly after 1pm. Cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Monday
A 30 percent chance of snow. Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tri-Cities Airport TN
 36.46°N 82.38°W (Elev. 1499 ft)
Last Update:
6:06 pm EST Dec 23, 2025
Forecast Valid:
12am 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