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.

A Few Clouds

42°F

6°C

Humidity 30%
Wind Speed NW 12 G 17 mph
Barometer 30.29 in (1026.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 6 Apr 5:55 pm CDT
Extended Forecast for

Warrens WI

  • Tonight

    Tonight: Mostly clear, with a low around 14. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 21 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Snow showers before 2am, then rain and snow showers between 2am and 3am, then rain showers after 3am. Low around 30. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Mostly Cloudy
    then
    Rain/Snow

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. Breezy, with a south wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 1am. Partly cloudy, with a low around 35. Southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 57. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 57 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 57. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 14. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 44. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tuesday Night
Snow showers before 2am, then rain and snow showers between 2am and 3am, then rain showers after 3am. Low around 30. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. Breezy, with a south wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly before 1am. Partly cloudy, with a low around 35. Southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 57. West wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 31. Light and variable wind.
Friday
Mostly sunny, with a high near 57. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 30. Calm wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 61. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Showers likely. Mostly cloudy, with a low around 44. Southeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. High near 69. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 56. South wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Monday
Showers likely. Mostly cloudy, with a high near 73. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
6:26 pm CDT Apr 6, 2026
Forecast Valid:
7pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation