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

Sevierville Gatlinburg - Pigeon Forge Airport (KGKT)

Lat: 35.86°NLon: 83.53°WElev: 1001ft.

Mostly Cloudy

54°F

12°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.23 in
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 24 Dec 9:56 pm EST
Extended Forecast for

Cosby TN

  • Tonight

    Tonight: A chance of sprinkles before 3am, then a slight chance of showers between 3am and 5am, then a chance of sprinkles after 5am. Mostly cloudy, with a low around 54. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Christmas Day

    Christmas Day: A 30 percent chance of showers after 3pm. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 67. West wind 5 to 10 mph.

    High: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 70. South wind 5 to 10 mph.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. West wind around 5 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 70. West wind around 5 mph.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Calm wind becoming south around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Showers

Detailed Forecast

Tonight
A chance of sprinkles before 3am, then a slight chance of showers between 3am and 5am, then a chance of sprinkles after 5am. Mostly cloudy, with a low around 54. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 20%.
Christmas Day
A 30 percent chance of showers after 3pm. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 67. West wind 5 to 10 mph.
Thursday Night
A 40 percent chance of showers. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 56. Calm wind.
Friday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 70. South wind 5 to 10 mph.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. West wind around 5 mph. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 70. West wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 53. Calm wind becoming south around 5 mph.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 70.
Sunday Night
Showers. Low around 36. Chance of precipitation is 80%.
Monday
A chance of rain showers before 1pm, then a chance of flurries after 5pm. Partly sunny, with a high near 47. Chance of precipitation is 40%.
Monday Night
A chance of flurries. Partly cloudy, with a low around 19.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cosby TN
 35.82°N 83.23°W (Elev. 1693 ft)
Last Update:
6:06 pm EST Dec 24, 2025
Forecast Valid:
10pm EST Dec 24, 2025-6pm EST Dec 31, 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