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.

Fog/Mist

24°F

-4°C

Humidity 95%
Wind Speed Calm
Barometer 29.76 in (1009.2 mb)
Dewpoint 23°F (-5°C)
Visibility 6.00 mi
Last update 5 Jan 7:55 am CST
Extended Forecast for

3 Miles SW Warrens WI

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 37. Light and variable wind.

    High: 37 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A chance of freezing rain, mainly after 10pm. Patchy fog after 11pm. Otherwise, cloudy, with a low around 29. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.

    Low: 29 °F

    Chance
    Freezing Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: A chance of rain or freezing rain before 10am, then a chance of rain between 10am and noon. Mostly cloudy, with a high near 37. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Chance
    Rain/Freezing
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. West wind around 6 mph becoming calm in the evening.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. Calm wind becoming south around 6 mph in the morning.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. South wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 41. Calm wind becoming northwest around 5 mph.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 25. North wind 3 to 5 mph.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A chance of rain and snow. Mostly cloudy, with a high near 36. Northeast wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 36 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 37. Light and variable wind.
Tonight
A chance of freezing rain, mainly after 10pm. Patchy fog after 11pm. Otherwise, cloudy, with a low around 29. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.
Tuesday
A chance of rain or freezing rain before 10am, then a chance of rain between 10am and noon. Mostly cloudy, with a high near 37. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 21. West wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 41. Calm wind becoming south around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 26. South wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 41. Calm wind becoming northwest around 5 mph.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 25. North wind 3 to 5 mph.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 36. Northeast wind 5 to 8 mph. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 23. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 30. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12. West wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 27. West wind around 8 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
6:36 am CST Jan 5, 2026
Forecast Valid:
8am CST Jan 5, 2026-6pm CST Jan 11, 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