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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Louisville Muhammad Ali International Airport (KSDF)

Lat: 38.17°NLon: 85.74°WElev: 500ft.

Light Rain

38°F

3°C

Humidity 65%
Wind Speed SW 13 G 22 mph
Barometer 30.17 in (1022.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 21 Jan 10:56 am EST
Extended Forecast for

4 Miles S Valley Station KY

  • Today

    Today: A chance of rain and snow before noon, then a chance of rain. Cloudy, with a high near 41. Southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 27. Southwest wind 6 to 10 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West wind around 5 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Calm wind becoming north around 5 mph after midnight.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 25. North wind 8 to 10 mph.

    High: 25 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after 1pm. Cloudy and cold, with a high near 15. Chance of precipitation is 60%.

    High: 15 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: Snow. Low around 13. Chance of precipitation is 80%.

    Low: 13 °F

    Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before 1pm. Mostly cloudy and cold, with a high near 21.

    High: 21 °F

    Chance Snow

Detailed Forecast

Today
A chance of rain and snow before noon, then a chance of rain. Cloudy, with a high near 41. Southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 27. Southwest wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 38. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 20. Calm wind becoming north around 5 mph after midnight.
Friday
Mostly cloudy and cold, with a high near 25. North wind 8 to 10 mph.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Snow likely, mainly after 1pm. Cloudy and cold, with a high near 15. Chance of precipitation is 60%.
Saturday Night
Snow. Low around 13. Chance of precipitation is 80%.
Sunday
A 40 percent chance of snow, mainly before 1pm. Mostly cloudy and cold, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Mostly sunny and cold, with a high near 20.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Valley Station KY
 38.04°N 85.85°W (Elev. 643 ft)
Last Update:
6:31 am EST Jan 21, 2026
Forecast Valid:
11am EST Jan 21, 2026-6pm EST Jan 27, 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