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

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

33°F

1°C

Humidity 24%
Wind Speed Vrbl 3 mph
Barometer 30.47 in (1032.7 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 20 Jan 1:53 pm EST
Extended Forecast for

4 Miles ESE Karns TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 35. Calm wind.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 51. Light west wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly after 7pm. Cloudy, with a low around 37. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Partly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 33. Calm wind becoming north around 5 mph after midnight.

    Low: 33 °F

    Chance
    Showers

  • Friday

    Friday: A chance of rain showers before 10am, then a chance of snow showers. Mostly cloudy, with a high near 40. North wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 40 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A 50 percent chance of snow showers. Cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers. The snow could be heavy at times. High near 30. Chance of precipitation is 90%.

    High: 30 °F

    Heavy Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 35. Calm wind.
Tonight
Mostly clear, with a low around 22. Calm wind.
Wednesday
A 20 percent chance of showers after 3pm. Mostly sunny, with a high near 51. Light west wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A 50 percent chance of showers, mainly after 7pm. Cloudy, with a low around 37. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 50. Calm wind.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 33. Calm wind becoming north around 5 mph after midnight.
Friday
A chance of rain showers before 10am, then a chance of snow showers. Mostly cloudy, with a high near 40. North wind 5 to 10 mph. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of snow showers. Cloudy, with a low around 22.
Saturday
Snow showers. The snow could be heavy at times. High near 30. Chance of precipitation is 90%.
Saturday Night
Snow showers before 11pm, then snow showers, possibly mixed with freezing rain between 11pm and 3am, then snow showers after 3am. The snow could be heavy at times. Low around 23. Chance of precipitation is 90%.
Sunday
A 50 percent chance of snow showers. Cloudy, with a high near 30.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Karns TN
 35.94°N 84.05°W (Elev. 974 ft)
Last Update:
12:56 pm EST Jan 20, 2026
Forecast Valid:
2pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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