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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

49°F

9°C

Humidity 66%
Wind Speed Calm
Barometer 30.04 in (1016.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 15 Nov 6:53 am EST
Extended Forecast for

Alcoa TN

  • Today

    Today: Partly sunny, with a high near 71. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 71 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: A slight chance of showers before 2am, then a chance of showers after 3am. Increasing clouds, with a low around 59. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 66. West wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Slight Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59. Calm wind becoming north around 5 mph.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers. Partly sunny, with a high near 69. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 71. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
A slight chance of showers before 2am, then a chance of showers after 3am. Increasing clouds, with a low around 59. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday
A 10 percent chance of showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 66. West wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 59. Calm wind becoming north around 5 mph.
Monday Night
Partly cloudy, with a low around 42. Calm wind.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 69. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 71.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.78°N 83.99°W (Elev. 869 ft)
Last Update:
6:35 am EST Nov 15, 2025
Forecast Valid:
7am EST Nov 15, 2025-6pm EST Nov 21, 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