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.

A Few Clouds

58°F

14°C

Humidity 97%
Wind Speed SW 7 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 27 Dec 5:53 am EST
Extended Forecast for

Alcoa TN

  • Today

    Today: Partly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Calm wind becoming southwest around 5 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 74. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 1am. Low around 42. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 42 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: A 50 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 52. West wind around 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 37. West wind around 5 mph.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. Calm wind.
Tonight
Increasing clouds, with a low around 56. Calm wind becoming southwest around 5 mph.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 74. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Showers, mainly after 1am. Low around 42. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday
A 50 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 52. West wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 22. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 37. West wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 27.
New Year's Day
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.78°N 83.99°W (Elev. 869 ft)
Last Update:
6:06 am EST Dec 27, 2025
Forecast Valid:
6am EST Dec 27, 2025-6pm EST Jan 2, 2026
 
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Additional Resources

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Chance of Precipitation