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.

Overcast

66°F

19°C

Humidity 75%
Wind Speed SW 17 G 26 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 26 Dec 10:53 am EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: A 20 percent chance of showers after 3pm. Partly sunny, with a high near 70. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 70 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of sprinkles with a slight chance of showers before 10pm, then a slight chance of showers between 10pm and 1am. Cloudy, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55. Calm wind becoming south around 5 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 1am. Low around 46. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Slight Chance
    Showers then
    Showers

  • Monday

    Monday: Showers likely before 1pm. Partly sunny, with a high near 56. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 70. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Tonight
A chance of sprinkles with a slight chance of showers before 10pm, then a slight chance of showers between 10pm and 1am. Cloudy, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 71. Calm wind.
Saturday Night
Increasing clouds, with a low around 55. Calm wind becoming south around 5 mph.
Sunday
Mostly cloudy, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Showers, mainly after 1am. Low around 46. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday
Showers likely before 1pm. Partly sunny, with a high near 56. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 26.
New Year's Day
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.81°N 84.01°W (Elev. 899 ft)
Last Update:
10:56 am EST Dec 26, 2025
Forecast Valid:
11am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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