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

65°F

18°C

Humidity 39%
Wind Speed Calm
Barometer 29.63 in (1003.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 9 Mar 12:55 pm CDT
Extended Forecast for

Warrens WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 67. Northwest wind around 6 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Northeast wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49. East wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 49 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 1am, then a chance of rain or freezing rain between 1am and 4am, then a chance of snow showers and freezing rain after 4am. Mostly cloudy, with a low around 28. East wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Wintry
    Mix

  • Wednesday

    Wednesday: A chance of snow showers and freezing rain before 7am, then a chance of snow showers between 7am and 4pm, then a slight chance of rain showers after 4pm. Mostly cloudy, with a high near 41. North wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Chance Wintry
    Mix

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. Northwest wind 3 to 7 mph.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 45. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow showers. Low around 27. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%.

    Low: 27 °F

    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 42. Breezy, with a northwest wind 13 to 17 mph, with gusts as high as 30 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 67. Northwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 33. Northeast wind 5 to 8 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 49. East wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of rain and snow showers before 1am, then a chance of rain or freezing rain between 1am and 4am, then a chance of snow showers and freezing rain after 4am. Mostly cloudy, with a low around 28. East wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of snow showers and freezing rain before 7am, then a chance of snow showers between 7am and 4pm, then a slight chance of rain showers after 4pm. Mostly cloudy, with a high near 41. North wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 20. Northwest wind 3 to 7 mph.
Thursday
A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 45. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Rain, possibly mixed with snow showers. Low around 27. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 42. Breezy, with a northwest wind 13 to 17 mph, with gusts as high as 30 mph.
Friday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 22. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 40. Southeast wind 5 to 8 mph. Chance of precipitation is 40%.
Saturday Night
Rain and snow showers likely. Cloudy, with a low around 24. East wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 35. Breezy, with a north wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
1:21 pm CDT Mar 9, 2026
Forecast Valid:
1pm CDT Mar 9, 2026-6pm CDT Mar 15, 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