Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

36°F

2°C

Humidity 70%
Wind Speed NW 7 mph
Barometer 30.20 in (1023.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 8 Dec 9:53 pm EST
Extended Forecast for

4 Miles ESE Karns TN

  • Tonight

    Tonight: Partly cloudy, with a low around 27. North wind around 5 mph becoming calm.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °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
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 44. West wind around 5 mph.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. North wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 46. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 37. Southwest wind 10 to 15 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
Mostly cloudy, with a low around 31. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 44. West wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 30. Southwest wind around 5 mph.
Friday
Partly sunny, with a high near 50.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Karns TN
 35.94°N 84.05°W (Elev. 974 ft)
6:06 pm EST Dec 8, 2025
10pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
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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