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.

Fog

35°F

2°C

Humidity 100%
Wind Speed N 6 mph
Barometer 30.06 in (1018.3 mb)
Dewpoint 35°F (2°C)
Visibility 0.25 mi
Wind Chill30°F (-1°C)
Last update 4 Feb 4:53 am EST
Extended Forecast for

4 Miles ESE Karns TN

Dense Fog Advisory until February 4, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 4, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 34 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of rain showers before 5pm, then a chance of rain and snow showers. Patchy fog before 9am. Otherwise, cloudy, with a high near 41. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 40%.

    High: 41 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers before 7pm. Cloudy, with a low around 23. North wind around 5 mph.

    Low: 23 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39. North wind around 5 mph becoming calm in the morning.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Calm wind becoming southwest around 5 mph after midnight.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. West wind 5 to 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 34. Calm wind.
Wednesday
A chance of rain showers before 5pm, then a chance of rain and snow showers. Patchy fog before 9am. Otherwise, cloudy, with a high near 41. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of snow showers before 7pm. Cloudy, with a low around 23. North wind around 5 mph.
Thursday
Partly sunny, with a high near 39. North wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 24. Calm wind becoming southwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 50. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 30. West wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 60.
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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:
4:06 am EST Feb 4, 2026
Forecast Valid:
5am EST Feb 4, 2026-6pm EST Feb 10, 2026
 
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