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.

A Few Clouds

35°F

2°C

Humidity 42%
Wind Speed SW 9 mph
Barometer 30.51 in (1034.7 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 28 Mar 10:55 am CDT
Extended Forecast for

Warrens WI

  • Today

    Today: Mostly sunny, with a high near 52. Breezy, with a southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 52 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Southwest wind 7 to 9 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Light south wind.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 46. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 60. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 60 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 25. Northwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. North wind 6 to 8 mph becoming east in the afternoon.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 52. Breezy, with a southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
Partly cloudy, with a low around 34. Southwest wind 7 to 9 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 64. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 40. Light south wind.
Monday
Mostly sunny, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 46. Southeast wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 60. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday Night
A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 25. Northwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 47. North wind 6 to 8 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 23. East wind around 8 mph, with gusts as high as 18 mph.
Thursday
A 30 percent chance of snow showers. Partly sunny, with a high near 45. East wind 9 to 14 mph, with gusts as high as 24 mph.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. East wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 51. Southeast wind 8 to 10 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.14°N 90.51°W
Last Update:
10:31 am CDT Mar 28, 2026
Forecast Valid:
11am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation