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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

44°F

7°C

Humidity 58%
Wind Speed SW 5 mph
Barometer 29.91 in (1013.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 1 Jan 8:53 pm EST
Extended Forecast for

4 Miles NNW Louisville TN

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Southwest wind around 5 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 57. Southwest wind around 5 mph.

    High: 57 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers, mainly after 1am. Low around 44. Calm wind becoming northeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 51. Northeast wind around 5 mph. Chance of precipitation is 60%.

    High: 51 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. North wind around 5 mph becoming calm.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. Calm wind becoming north around 5 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 37. Southwest wind around 5 mph.
Friday
Mostly cloudy, with a high near 57. Southwest wind around 5 mph.
Friday Night
Showers, mainly after 1am. Low around 44. Calm wind becoming northeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 51. Northeast wind around 5 mph. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 35. North wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 50. Calm wind becoming north around 5 mph.
Sunday Night
Mostly cloudy, with a low around 33. Calm wind.
Monday
Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 64.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Louisville TN
 35.88°N 84.06°W (Elev. 899 ft)
Last Update:
6:06 pm EST Jan 1, 2026
Forecast Valid:
9pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
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