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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Light Unknown Precip

30°F

-1°C

Humidity 69%
Wind Speed SW 12 G 17 mph
Barometer 29.40 in (997.0 mb)
Dewpoint 21°F (-6°C)
Visibility 5.00 mi
Wind Chill20°F (-7°C)
Last update 24 Feb 1:55 pm CST
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: A 40 percent chance of snow before 3pm. Mostly cloudy, with a high near 35. Southwest wind 7 to 10 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Wind chill values as low as zero. West wind 9 to 14 mph, with gusts as high as 29 mph.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Wind chill values as low as -2. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. Southwest wind 3 to 5 mph.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. Southwest wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 27. North wind around 6 mph.

    High: 27 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 40 percent chance of snow before 3pm. Mostly cloudy, with a high near 35. Southwest wind 7 to 10 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Tonight
Partly cloudy, with a low around 11. Wind chill values as low as zero. West wind 9 to 14 mph, with gusts as high as 29 mph.
Wednesday
Mostly sunny, with a high near 24. Wind chill values as low as -2. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 8. Calm wind.
Thursday
Mostly sunny, with a high near 39. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 23. Southwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 51. Southwest wind 5 to 10 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 19. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 27. North wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 7. North wind 3 to 5 mph.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 27. East wind 3 to 5 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 11. Light east wind.
Monday
Partly sunny, with a high near 34. Calm wind becoming southeast around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
Last Update:
1:47 pm CST Feb 24, 2026
Forecast Valid:
2pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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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