National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

30°F

-1°C

Humidity 90%
Wind Speed Calm
Barometer 29.95 in (1015.7 mb)
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Last update 12 Jan 5:55 pm CST
Extended Forecast for

3 Miles SW Warrens WI

  • Tonight

    Tonight: A slight chance of snow before 3am, then a slight chance of rain between 3am and 4am. Increasing clouds, with a low around 29. Southwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Breezy, with a west wind 13 to 18 mph, with gusts as high as 33 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 33 mph.

    Low: 15 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23. Blustery, with a north wind 15 to 20 mph, with gusts as high as 34 mph.

    High: 23 °F

    Mostly Sunny
    and Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 4. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 4 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 25. Light and variable wind becoming southwest 5 to 8 mph in the morning.

    High: 25 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 18. South wind around 8 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    Low: 18 °F

    Snow Likely

  • Friday

    Friday: Snow. High near 30. Northwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 30 °F

    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 5. Northwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 5 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of snow before 3am, then a slight chance of rain between 3am and 4am. Increasing clouds, with a low around 29. Southwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 42. Breezy, with a west wind 13 to 18 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly cloudy, with a low around 15. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 23. Blustery, with a north wind 15 to 20 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 4. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 22 mph.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 25. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
Snow likely. Cloudy, with a low around 18. South wind around 8 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Friday
Snow. High near 30. Northwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 5. Northwest wind around 10 mph, with gusts as high as 21 mph.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 12. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around -3. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 13. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around -2. West wind around 9 mph, with gusts as high as 20 mph.
M.L.King Day
Partly sunny, with a high near 16. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
5:06 pm CST Jan 12, 2026
Forecast Valid:
6pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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