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.

Mostly Cloudy

44°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 24 Dec 10:15 pm EST
Extended Forecast for

6 Miles SW Mountain City TN

  • Tonight

    Tonight: A 50 percent chance of showers after 1am.  Mostly cloudy, with a low around 46. South wind around 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

  • Christmas Day

    Christmas Day: Showers likely, mainly before 5pm.  Patchy fog before 10am.  Otherwise, cloudy, with a high near 59. West wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers likely, mainly after 7pm.  Patchy fog after 11pm.  Otherwise, cloudy, with a low around 49. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A 50 percent chance of showers, mainly before 1pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 57. South wind 5 to 10 mph.

    High: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly after 1am.  Patchy fog between 11pm and 3am.  Otherwise, mostly cloudy, with a low around 49. West wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

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

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46. Calm wind becoming south around 5 mph after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 31. Breezy.  Chance of precipitation is 70%.

    Low: 31 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 46. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Showers likely, mainly before 5pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 59. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely, mainly after 7pm. Patchy fog after 11pm. Otherwise, cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of showers, mainly before 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 57. South wind 5 to 10 mph.
Friday Night
Showers likely, mainly after 1am. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 49. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 62. West wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 46. Calm wind becoming south around 5 mph after midnight.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 61.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 31. Breezy. Chance of precipitation is 70%.
Monday
A chance of rain and snow showers before 1pm, then a chance of flurries. Partly sunny, with a high near 43. Breezy. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 13. Breezy.
Tuesday
Sunny, with a high near 28. Breezy.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Mountain City TN
 36.42°N 81.89°W (Elev. 3343 ft)
6:06 pm EST Dec 24, 2025
10pm EST Dec 24, 2025-6pm EST Dec 31, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database