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

-30°F

-34°C

Humidity 69%
Wind Speed Calm
Barometer 30.69 in (1043.9 mb)
Dewpoint -37°F (-38°C)
Visibility 10.00 mi
Last update 24 Jan 7:55 am CST
Extended Forecast for

3 Miles SW Warrens WI

  • Today

    Today: Mostly sunny and cold, with a high near 0. Wind chill values as low as -16. Calm wind.

    High: 0 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, with a low around -15. Calm wind.

    Low: -15 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 7. Wind chill values as low as -13. Calm wind becoming north around 6 mph in the afternoon.

    High: 7 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -14. Wind chill values as low as -26. Northwest wind around 7 mph.

    Low: -14 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 10. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 10 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around -1. Southwest wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: -1 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 12. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 12 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around -5. West wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: -5 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Partly sunny, with a high near 11. West wind 6 to 9 mph.

    High: 11 °F

    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Mostly sunny and cold, with a high near 0. Wind chill values as low as -16. Calm wind.
Tonight
Mostly cloudy, with a low around -15. Calm wind.
Sunday
Mostly sunny, with a high near 7. Wind chill values as low as -13. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around -14. Wind chill values as low as -26. Northwest wind around 7 mph.
Monday
Mostly sunny, with a high near 10. West wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around -1. Southwest wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 23 mph.
Tuesday
Partly sunny, with a high near 12. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around -5. West wind 6 to 8 mph, with gusts as high as 18 mph.
Wednesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 11. West wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around -6. Northwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 13. Northwest wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around -4. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 16. Northwest wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Warrens WI
 44.09°N 90.54°W
Last Update:
6:46 am CST Jan 24, 2026
Forecast Valid:
8am CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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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