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

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

11°F

-12°C

Humidity 64%
Wind Speed NW 3 mph
Barometer 30.26 in (1026.6 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 3 Dec 8:55 pm CST
Extended Forecast for

4 Miles SW Norwalk WI

  • Tonight

    Tonight: Partly cloudy, with a low around -9. Wind chill values as low as -17. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.

    Low: -9 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 13. Wind chill values as low as -17. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 13 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 5. Wind chill values as low as -12. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 5 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 25. Wind chill values as low as -3. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 15. Southwest wind around 6 mph becoming northwest after midnight. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 23. Northwest wind around 6 mph.

    High: 23 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 2. North wind around 6 mph.

    Low: 2 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 16. North wind 3 to 6 mph.

    High: 16 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -4. Calm wind becoming south around 5 mph after midnight.

    Low: -4 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around -9. Wind chill values as low as -17. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 13. Wind chill values as low as -17. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 5. Wind chill values as low as -12. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 25. Wind chill values as low as -3. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 15. Southwest wind around 6 mph becoming northwest after midnight. New snow accumulation of less than a half inch possible.
Saturday
Partly sunny, with a high near 23. Northwest wind around 6 mph.
Saturday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 2. North wind around 6 mph.
Sunday
Mostly sunny, with a high near 16. North wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around -4. Calm wind becoming south around 5 mph after midnight.
Monday
A 30 percent chance of snow after noon. Partly sunny, with a high near 21. South wind 5 to 8 mph.
Monday Night
Snow likely. Mostly cloudy, with a low around 12. South wind around 9 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 30. West wind 7 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20. South wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 32. Northwest wind around 11 mph, with gusts as high as 21 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Norwalk WI
 43.8°N 90.7°W
Last Update:
7:47 pm CST Dec 3, 2025
Forecast Valid:
9pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation