Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

40°F

4°C

Humidity 43%
Wind Speed SW 13 mph
Barometer 29.99 in (1016.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 31 Dec 7:53 pm EST
Extended Forecast for

Louisville TN

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind around 5 mph.

    Low: 29 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 51. Southwest wind around 5 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Southwest wind around 5 mph becoming calm.

    Low: 32 °F

    Partly Cloudy

  • Friday

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

    High: 56 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers likely.  Patchy fog after 3am.  Otherwise, cloudy, with a low around 43. Calm wind.  Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers likely.  Patchy fog before 1pm.  Otherwise, cloudy, with a high near 53. Northeast wind around 5 mph.  Chance of precipitation is 70%.

    High: 53 °F

    Showers
    Likely and
    Patchy Fog

  • 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 51.

    High: 51 °F

    Sunny

  • Sunday Night

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

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Southwest wind around 5 mph.
New Year's Day
Sunny, with a high near 51. Southwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 32. Southwest wind around 5 mph becoming calm.
Friday
Mostly cloudy, with a high near 56. Calm wind becoming southwest around 5 mph.
Friday Night
Showers likely. Patchy fog after 3am. Otherwise, cloudy, with a low around 43. Calm wind. Chance of precipitation is 70%.
Saturday
Showers likely. Patchy fog before 1pm. Otherwise, cloudy, with a high near 53. Northeast wind around 5 mph. Chance of precipitation is 70%.
Saturday Night
Mostly cloudy, with a low around 35. North wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville TN
 35.81°N 84.04°W (Elev. 850 ft)
6:06 pm EST Dec 31, 2025
8pm EST Dec 31, 2025-6pm EST Jan 7, 2026
 
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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