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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

63°F

17°C

Humidity 41%
Wind Speed Calm
Barometer 30.28 in (1025.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 4 Nov 3:53 pm EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind becoming southwest around 5 mph after midnight.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Northeast wind around 5 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Northeast wind around 5 mph becoming south after midnight.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly 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 25 mph.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Calm wind becoming southwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 70. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 45. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 66. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 44. Northeast wind around 5 mph becoming south after midnight.
Friday
A 30 percent chance of showers after 1pm. Mostly 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 25 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 69.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 51. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 63.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 27.
Veterans Day
Sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.8°N 83.98°W (Elev. 955 ft)
Last Update:
12:31 pm EST Nov 4, 2025
Forecast Valid:
4pm EST Nov 4, 2025-6pm EST Nov 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation