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

24°F

-4°C

Humidity 92%
Wind Speed Calm
Barometer 29.81 in (1010.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 16 Feb 1:55 am CST
Extended Forecast for

3 Miles SW Warrens WI

  • Overnight

    Overnight: Mostly clear, with a low around 28. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 57. Southwest wind 5 to 9 mph becoming calm in the afternoon. Winds could gust as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. Calm wind becoming east 5 to 7 mph after midnight.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48. Breezy, with an east wind 8 to 17 mph, with gusts as high as 30 mph.

    High: 48 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain. Low around 38. Breezy, with an east wind 9 to 16 mph becoming south after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly sunny, with a high near 52. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 28. West wind around 7 mph.

    Low: 28 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 45. West wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 26. Northeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 26 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 28. Southwest wind around 9 mph, with gusts as high as 20 mph.
Washington's Birthday
Mostly sunny, with a high near 57. Southwest wind 5 to 9 mph becoming calm in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Increasing clouds, with a low around 32. Calm wind becoming east 5 to 7 mph after midnight.
Tuesday
Mostly cloudy, with a high near 48. Breezy, with an east wind 8 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
Rain. Low around 38. Breezy, with an east wind 9 to 16 mph becoming south after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 52. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 28. West wind around 7 mph.
Thursday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 45. West wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Northeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 36. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind around 7 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 32. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12. Northwest wind around 8 mph.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 27. Northwest wind 8 to 11 mph, with gusts as high as 21 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:
1:51 am CST Feb 16, 2026
Forecast Valid:
2am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation