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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

65°F

18°C

Humidity 76%
Wind Speed SW 14 mph
Barometer 29.92 in (1012.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Dec 7:53 pm EST
Extended Forecast for

4 Miles SW Tallassee TN

  • Tonight

    Tonight: A chance of rain between 10pm and 1am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance Rain

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Calm wind becoming southeast around 5 mph after midnight.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 1am. Low around 44. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    Low: 44 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers likely before 1pm. Partly sunny, with a high near 58. West wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 21.

    Low: 21 °F

    Clear

Detailed Forecast

Tonight
A chance of rain between 10pm and 1am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind.
Saturday Night
Partly cloudy, with a low around 55. Calm wind becoming southeast around 5 mph after midnight.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Showers, mainly after 1am. Low around 44. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Monday
Showers likely before 1pm. Partly sunny, with a high near 58. West wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 19. Northwest wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Clear, with a low around 21.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 27.
New Year's Day
Mostly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Tallassee TN
 35.49°N 83.99°W (Elev. 899 ft)
Last Update:
6:56 pm EST Dec 26, 2025
Forecast Valid:
8pm EST Dec 26, 2025-6pm EST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation