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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fog/Mist

29°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.07 in (1018.8 mb)
Dewpoint 28°F (-2°C)
Visibility 2.50 mi
Last update 7 Dec 8:51 am EST
Extended Forecast for

4 Miles SSE Karns TN

Freezing Fog Advisory until December 7, 10:00am
Click here for hazard details and duration
...
  •  
    Freezing Fog Advisory until December 7, 10:00am

    NOW until 10:00am Sun

    Freezing Fog Advisory

  • Today

    High: 50 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 11pm and 4am. Cloudy, with a low around 39. Calm wind becoming north around 5 mph.

    Low: 39 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers between 7am and 1pm. Mostly cloudy, with a high near 43. North wind around 5 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. North wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Patchy fog before 11am. Patchy freezing fog before 9am. Otherwise, partly sunny, with a high near 50. Calm wind.
Tonight
A 40 percent chance of showers, mainly between 11pm and 4am. Cloudy, with a low around 39. Calm wind becoming north around 5 mph.
Monday
A chance of showers between 7am and 1pm. Mostly cloudy, with a high near 43. North wind around 5 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 28. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 48. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 53. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 37.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 52.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 43.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Karns TN
 35.92°N 84.08°W (Elev. 951 ft)
Last Update:
6:06 am EST Dec 7, 2025
Forecast Valid:
8am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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