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.

Light Unknown Precip Fog/Mist

20°F

-7°C

Humidity 85%
Wind Speed NW 7 mph
Barometer 30.06 in (1019.5 mb)
Dewpoint 16°F (-9°C)
Visibility 1.13 mi
Wind Chill11°F (-12°C)
Last update 10 Jan 9:55 pm CST
Extended Forecast for

Warrens WI

  • Tonight

    Tonight: Scattered snow showers before 4am, then isolated flurries between 4am and 5am. Cloudy, with a steady temperature around 19. Northwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than one inch possible.

    Low: 19 °F

    Scattered
    Snow Showers

  • Sunday

    Sunday: Partly sunny, with a high near 29. Northwest wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 29 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 39. West wind 5 to 7 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 29. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 42. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 42 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 19. Northwest wind around 10 mph, with gusts as high as 24 mph.

    Low: 19 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 26. North wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 26 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. North wind 5 to 7 mph becoming light and variable after midnight.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered snow showers before 4am, then isolated flurries between 4am and 5am. Cloudy, with a steady temperature around 19. Northwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Partly sunny, with a high near 29. Northwest wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 21. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 39. West wind 5 to 7 mph.
Monday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 29. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 42. West wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 19. Northwest wind around 10 mph, with gusts as high as 24 mph.
Wednesday
Partly sunny, with a high near 26. North wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 11. North wind 5 to 7 mph becoming light and variable after midnight.
Thursday
A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 30. Light southwest wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Snow likely. Mostly cloudy, with a low around 21. South wind around 8 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 30. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 19. Northwest wind around 10 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Warrens WI
 44.12°N 90.51°W
Last Update:
10:08 pm CST Jan 10, 2026
Forecast Valid:
10pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation