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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

46°F

8°C

Humidity 54%
Wind Speed SW 7 mph
Barometer 29.90 in (1012.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 1 Jan 6:53 pm EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Tonight

    Tonight: Mostly clear, with a low around 38. Southwest wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 57. Southwest wind around 5 mph.

    High: 57 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers. Low around 44. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 51. Northeast wind around 5 mph. Chance of precipitation is 60%.

    High: 51 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. North wind around 5 mph becoming calm.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51. Calm wind becoming north around 5 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Southwest wind around 5 mph.
Friday
Increasing clouds, with a high near 57. Southwest wind around 5 mph.
Friday Night
Showers. Low around 44. Calm wind becoming east around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 51. Northeast wind around 5 mph. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 35. North wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 51. Calm wind becoming north around 5 mph.
Sunday Night
Mostly cloudy, with a low around 33. Calm wind.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 64.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 65.
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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:
6:06 pm EST Jan 1, 2026
Forecast Valid:
7pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
Forecast Discussion
 
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