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

Watauga County Hospital Heliport (KTNB)

Lat: 36.2°NLon: 81.65°WElev: 3146ft.

Overcast

58°F

14°C

Humidity 78%
Wind Speed W 10 G 20 mph
Barometer 30.08 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 25 Dec 1:15 pm EST
Extended Forecast for

6 Miles SW Mountain City TN

  • Christmas Day

    Christmas Day: A 30 percent chance of showers, mainly before 2pm. Cloudy, with a high near 59. West wind 5 to 10 mph.

    High: 59 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 3am. Cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 58. South wind 5 to 10 mph.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 7pm. Cloudy, with a low around 52. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 62. West wind 5 to 10 mph.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. Calm wind becoming southeast around 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 61. South wind around 5 mph.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Rain showers likely before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 70%.

    High: 54 °F

    Breezy.
    Showers
    Likely then
    Rain/Snow
    Likely

Detailed Forecast

Christmas Day
A 30 percent chance of showers, mainly before 2pm. Cloudy, with a high near 59. West wind 5 to 10 mph.
Tonight
A 40 percent chance of showers, mainly after 3am. Cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers, mainly before 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 58. South wind 5 to 10 mph.
Friday Night
A 50 percent chance of showers, mainly after 7pm. Cloudy, with a low around 52. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 62. West wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 45. Calm wind becoming southeast around 5 mph.
Sunday
Mostly cloudy, with a high near 61. South wind around 5 mph.
Sunday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 43.
Monday
Rain showers likely before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of snow showers, mainly before 7pm. Mostly cloudy, with a low around 15. Breezy.
Tuesday
Sunny, with a high near 28. Blustery.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Mountain City TN
 36.42°N 81.89°W (Elev. 3343 ft)
Last Update:
12:31 pm EST Dec 25, 2025
Forecast Valid:
1pm EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation