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.

Light Unknown Precip

28°F

-2°C

Humidity 61%
Wind Speed N 14 G 31 mph
Barometer 29.75 in (1008.5 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill17°F (-8°C)
Last update 14 Jan 3:55 am CST
Extended Forecast for

Warrens WI

  • Overnight

    Overnight: A chance of flurries. Mostly cloudy, with a low around 15. Blustery, with a west wind around 17 mph, with gusts as high as 32 mph.

    Low: 15 °F

    Chance
    Flurries and
    Blustery

  • Wednesday

    Wednesday: Scattered flurries before 7am. Partly sunny, with a high near 20. Wind chill values as low as zero. Blustery, with a north wind 13 to 20 mph, with gusts as high as 34 mph.

    High: 20 °F

    Scattered
    Flurries and
    Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of snow after noon. Partly sunny, with a high near 26. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 19. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Snow

  • Friday

    Friday: Snow. High near 32. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 7. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 7 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly cloudy, with a high near 14. Northwest wind around 11 mph, with gusts as high as 21 mph.

    High: 14 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -3. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: -3 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries. Mostly cloudy, with a low around 15. Blustery, with a west wind around 17 mph, with gusts as high as 32 mph.
Wednesday
Scattered flurries before 7am. Partly sunny, with a high near 20. Wind chill values as low as zero. Blustery, with a north wind 13 to 20 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 5. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 23 mph.
Thursday
A 50 percent chance of snow after noon. Partly sunny, with a high near 26. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Snow. Low around 19. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 32. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 7. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 14. Northwest wind around 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around -3. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 12. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 1. West wind 8 to 10 mph, with gusts as high as 21 mph.
M.L.King Day
Partly sunny, with a high near 11. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around -4. West wind 5 to 8 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 11. Northwest wind 5 to 8 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:
4:47 am CST Jan 14, 2026
Forecast Valid:
4am CST Jan 14, 2026-6pm CST Jan 20, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation