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.

Freezing Drizzle Fog/Mist

22°F

-6°C

Humidity 94%
Wind Speed Calm
Barometer 30.00 in (1017.6 mb)
Dewpoint 20°F (-7°C)
Visibility 4.00 mi
Last update 1 Feb 11:55 pm CST
Extended Forecast for

Sparta WI

  • Overnight

    Overnight: A chance of flurries between 1am and 2am. Mostly cloudy, with a low around 11. West wind 3 to 5 mph.

    Low: 11 °F

    Chance
    Flurries

  • Monday

    Monday: Partly sunny, with a high near 24. Northwest wind 5 to 7 mph.

    High: 24 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 4. Light northwest wind.

    Low: 4 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 23. Calm wind.

    High: 23 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 1. Calm wind.

    Low: 1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Calm wind.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow after noon. Partly sunny, with a high near 36. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 36 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 24. West wind around 7 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
A chance of flurries between 1am and 2am. Mostly cloudy, with a low around 11. West wind 3 to 5 mph.
Monday
Partly sunny, with a high near 24. Northwest wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 4. Light northwest wind.
Tuesday
Sunny, with a high near 23. Calm wind.
Tuesday Night
Partly cloudy, with a low around 1. Calm wind.
Wednesday
Mostly sunny, with a high near 24. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 11. Calm wind.
Thursday
A slight chance of rain and snow after noon. Partly sunny, with a high near 36. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 24. West wind around 7 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 31. North wind 6 to 9 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 7. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 26. Calm wind becoming south around 6 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 15. Light southeast wind.
Sunday
Mostly sunny, with a high near 32. Calm wind becoming southwest around 5 mph.
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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:
11:18 pm CST Feb 1, 2026
Forecast Valid:
12am CST Feb 2, 2026-6pm CST Feb 8, 2026
 
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Additional Resources

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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