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.

Overcast

15°F

-9°C

Humidity 62%
Wind Speed Calm
Barometer 30.51 in (1035.3 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 22 Feb 9:55 pm CST
Extended Forecast for

Warrens WI

  • Tonight

    Tonight: Partly cloudy, with a low around 5. Wind chill values as low as -3. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24. Wind chill values as low as -4. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 20 mph.

    Low: 11 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly before noon. Mostly cloudy, with a high near 35. South wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9. Northwest wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. West wind 3 to 8 mph. Winds could gust as high as 18 mph.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Partly sunny, with a high near 34. Calm wind becoming west around 6 mph in the morning.

    High: 34 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. Southwest wind 3 to 6 mph.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 5. Wind chill values as low as -3. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 24. Wind chill values as low as -4. Northwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 11. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 35. South wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly cloudy, with a low around 9. Northwest wind 9 to 11 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 24. West wind 3 to 8 mph. Winds could gust as high as 18 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 8. Calm wind.
Thursday
A 20 percent chance of snow before noon. Partly sunny, with a high near 34. Calm wind becoming west around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 18. Southwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 46. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 19. Southwest wind around 8 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 34. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 6. Northwest wind 6 to 8 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 27. North wind around 7 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:
9:07 pm CST Feb 22, 2026
Forecast Valid:
10pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation