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.

Overcast

23°F

-5°C

Humidity 73%
Wind Speed S 9 mph
Barometer 30.02 in (1018.9 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill13°F (-11°C)
Last update 1 Feb 12:55 pm CST
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: Snow likely, possibly mixed with freezing rain before 5pm, then snow. High near 25. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total daytime snow accumulation of less than a half inch possible.

    High: 25 °F

    Wintry Mix

  • Tonight

    Tonight: Snow, mainly before 8pm. Low around 11. Southwest wind around 7 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 24. Northwest wind 3 to 6 mph.

    High: 24 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 2. Calm wind.

    Low: 2 °F

    Partly 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 0. Calm wind.

    Low: 0 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Calm wind.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after noon. Mostly cloudy, with a high near 37. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Snow likely, possibly mixed with freezing rain before 5pm, then snow. High near 25. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 8pm. Low around 11. Southwest wind around 7 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 24. Northwest wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 2. Calm wind.
Tuesday
Sunny, with a high near 23. Calm wind.
Tuesday Night
Partly cloudy, with a low around 0. Calm wind.
Wednesday
Mostly sunny, with a high near 25. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 12. Calm wind.
Thursday
A chance of rain and snow after noon. Mostly cloudy, with a high near 37. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow, mainly before midnight. Mostly cloudy, with a low around 24. West wind around 7 mph becoming northwest after midnight. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 32. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 4. North wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 21. Calm wind becoming southwest around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
Last Update:
11:22 am CST Feb 1, 2026
Forecast Valid:
1pm CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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