Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

18°F

-8°C

Humidity 83%
Wind Speed Calm
Barometer 30.07 in (1019.9 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 21 Feb 5:55 am CST
Extended Forecast for

Sparta WI

  • Today

    Today: Partly sunny, with a high near 27. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 27 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of flurries before 2am, then a chance of flurries after 5am.  Mostly cloudy, with a low around 12. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries before noon.  Partly sunny, with a high near 23. Wind chill values as low as zero. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 23 °F

    Chance
    Flurries

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph.

    Low: 7 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. Light and variable wind.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Light south wind.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow.  Partly sunny, with a high near 34. Southwest wind 3 to 7 mph.

    High: 34 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 19. Light west wind.

    Low: 19 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before noon, then a chance of rain and snow.  Partly sunny, with a high near 35. Northwest wind 3 to 8 mph.  Chance of precipitation is 40%.

    High: 35 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 27. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Tonight
A chance of flurries before 2am, then a chance of flurries after 5am. Mostly cloudy, with a low around 12. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Sunday
A chance of flurries before noon. Partly sunny, with a high near 23. Wind chill values as low as zero. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 7. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 25. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 10. Light south wind.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 34. Southwest wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19. Light west wind.
Wednesday
A chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 35. Northwest wind 3 to 8 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 13. Northwest wind 3 to 6 mph.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 36. Light and variable wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 20. Light southwest wind.
Friday
Mostly sunny, with a high near 46. Southwest wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
6:36 am CST Feb 21, 2026
6am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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