Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

45°F

7°C

Humidity 35%
Wind Speed Calm
Barometer 30.31 in (1026.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 12 Jan 4:53 pm EST
Extended Forecast for

4 Miles N Greenback TN

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm.  Mostly cloudy, with a high near 49. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    High: 49 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 10pm, then a chance of rain and snow showers between 10pm and midnight, then a chance of snow showers after midnight.  Cloudy, with a low around 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    Low: 22 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Thursday

    Thursday: A 20 percent chance of snow showers before 1pm.  Partly sunny, with a high near 32. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 32 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Northwest wind around 5 mph becoming south after midnight.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of rain showers between 1am and 4am, then a slight chance of snow showers after 4am.  Mostly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Calm wind.
Tuesday
Sunny, with a high near 55. Light south wind becoming southwest 5 to 10 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 20 mph.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 49. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of rain showers before 10pm, then a chance of rain and snow showers between 10pm and midnight, then a chance of snow showers after midnight. Cloudy, with a low around 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday
A 20 percent chance of snow showers before 1pm. Partly sunny, with a high near 32. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 17. Northwest wind around 5 mph becoming south after midnight.
Friday
Partly sunny, with a high near 42.
Friday Night
A slight chance of rain showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Saturday
A 10 percent chance of snow showers before 7am. Partly sunny, with a high near 41.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 15.
M.L.King Day
Sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greenback TN
 35.71°N 84.19°W (Elev. 1010 ft)
12:31 pm EST Jan 12, 2026
5pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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