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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

67°F

19°C

Humidity 61%
Wind Speed W 5 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 22 Nov 5:53 pm EST
Extended Forecast for

2 Miles SW Alcoa TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. Calm wind becoming north around 5 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Calm wind becoming northeast around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66. Northeast wind around 5 mph becoming calm.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 50. Southeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 1pm. High near 66. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 55. South wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 64. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 40. Calm wind becoming northeast around 5 mph.
Monday
Mostly sunny, with a high near 66. Northeast wind around 5 mph becoming calm.
Monday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 50. Southeast wind 5 to 10 mph.
Tuesday
Showers, with thunderstorms also possible after 1pm. High near 66. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 55. South wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 31.
Thanksgiving Day
Sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Alcoa TN
 35.78°N 84.01°W (Elev. 958 ft)
Last Update:
6:21 pm EST Nov 22, 2025
Forecast Valid:
6pm EST Nov 22, 2025-6pm EST Nov 29, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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