Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Overcast

7°F

-14°C

Humidity 67%
Wind Speed N 5 mph
Barometer 30.39 in (1031.5 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 30 Jan 2:55 am CST
Extended Forecast for

Sparta WI

  • Overnight

    Overnight: Mostly cloudy, with a low around -7. Calm wind.

    Low: -7 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 15. Wind chill values as low as -8. Calm wind becoming north 5 to 7 mph in the morning.

    High: 15 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2. Light northwest wind.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 21. Wind chill values as low as -1. Calm wind.

    High: 21 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3. Light south wind.

    Low: 3 °F

    Mostly Clear

  • Sunday

    Sunday: Snow likely, mainly after noon.  Partly sunny, with a high near 24. South wind 3 to 8 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Chance Snow
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 26. Light northwest wind.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around -7. Calm wind.
Friday
Mostly sunny, with a high near 15. Wind chill values as low as -8. Calm wind becoming north 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around -2. Light northwest wind.
Saturday
Sunny, with a high near 21. Wind chill values as low as -1. Calm wind.
Saturday Night
Mostly clear, with a low around 3. Light south wind.
Sunday
Snow likely, mainly after noon. Partly sunny, with a high near 24. South wind 3 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 13. Calm wind.
Monday
Partly sunny, with a high near 26. Light northwest wind.
Monday Night
Mostly cloudy, with a low around 12. Calm wind.
Tuesday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 28. Light east wind.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13. Calm wind.
Wednesday
Partly sunny, with a high near 28. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 13. Calm wind.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 32. Calm wind becoming southwest 5 to 8 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
3:16 am CST Jan 30, 2026
3am CST Jan 30, 2026-6pm CST Feb 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database