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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

44°F

7°C

Humidity 51%
Wind Speed SW 6 mph
Barometer 30.03 in (1017.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 1 Jan 10:53 am EST
Extended Forecast for

Louisville TN

  • New Year's Day

    New Year's Day: Sunny, with a high near 52. Southwest wind around 5 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Southwest wind around 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 56. Calm wind becoming southwest around 5 mph.

    High: 56 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers. Patchy fog after 3am. Low around 44. Calm wind. Chance of precipitation is 80%.

    Low: 44 °F

    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Patchy fog before 1pm. Otherwise, cloudy, with a high near 51. Northeast wind around 5 mph. Chance of precipitation is 70%.

    High: 51 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33. North wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

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

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

New Year's Day
Sunny, with a high near 52. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 36. Southwest wind around 5 mph.
Friday
Increasing clouds, with a high near 56. Calm wind becoming southwest around 5 mph.
Friday Night
Showers. Patchy fog after 3am. Low around 44. Calm wind. Chance of precipitation is 80%.
Saturday
Showers likely, mainly before 1pm. Patchy fog before 1pm. Otherwise, cloudy, with a high near 51. Northeast wind around 5 mph. Chance of precipitation is 70%.
Saturday Night
Mostly cloudy, with a low around 33. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 50. Calm wind becoming northeast around 5 mph.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 61.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.81°N 84.04°W (Elev. 850 ft)
Last Update:
6:06 am EST Jan 1, 2026
Forecast Valid:
11am EST Jan 1, 2026-6pm EST Jan 7, 2026
 
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Additional Resources

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Chance of Precipitation