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.

Fog/Mist

33°F

1°C

Humidity 88%
Wind Speed Calm
Barometer 29.80 in (1010.4 mb)
Dewpoint 30°F (-1°C)
Visibility 5.00 mi
Last update 31 Dec 8:55 am CST
Extended Forecast for

4 Miles NE Sparta / Fort McCoy Airport WI

  • Today

    Today: Snow, mainly before 5pm. Temperature falling to around 17 by 5pm. Northwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 32 °F⇓

    Snow

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Wind chill values as low as -10. Northwest wind 3 to 8 mph. Winds could gust as high as 22 mph.

    Low: -2 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of snow before noon. Partly sunny, with a high near 15. Wind chill values as low as -1. Light west wind.

    High: 15 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 20. Calm wind becoming northwest around 6 mph.

    High: 20 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 22. Calm wind.

    High: 22 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6. Calm wind.

    Low: 6 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28. Calm wind becoming south around 5 mph.

    High: 28 °F

    Partly Sunny

Detailed Forecast

Today
Snow, mainly before 5pm. Temperature falling to around 17 by 5pm. Northwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Partly cloudy, with a low around -2. Wind chill values as low as -10. Northwest wind 3 to 8 mph. Winds could gust as high as 22 mph.
New Year's Day
A 20 percent chance of snow before noon. Partly sunny, with a high near 15. Wind chill values as low as -1. Light west wind.
Thursday Night
Mostly cloudy, with a low around 4. Calm wind.
Friday
Sunny, with a high near 20. Calm wind becoming northwest around 6 mph.
Friday Night
Mostly cloudy, with a low around 4. Calm wind.
Saturday
Partly sunny, with a high near 22. Calm wind.
Saturday Night
Partly cloudy, with a low around 6. Calm wind.
Sunday
Partly sunny, with a high near 28. Calm wind becoming south around 5 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. Light and variable wind.
Monday
Partly sunny, with a high near 34. Calm wind becoming west around 5 mph.
Monday Night
Mostly cloudy, with a low around 17. Calm wind.
Tuesday
Partly sunny, with a high near 33. Light west wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Sparta / Fort McCoy Airport WI
 43.99°N 90.69°W
Last Update:
8:32 am CST Dec 31, 2025
Forecast Valid:
9am CST Dec 31, 2025-6pm CST Jan 6, 2026
 
Forecast Discussion
 
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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