Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fog/Mist

22°F

-6°C

Humidity 94%
Wind Speed Calm
Barometer 29.96 in (1016.5 mb)
Dewpoint 21°F (-6°C)
Visibility 4.00 mi
Last update 30 Dec 6:55 pm CST
Extended Forecast for

3 Miles W Tunnel City WI

  • Tonight

    Tonight: Patchy snow and freezing rain, mainly before 9pm.  Mostly cloudy, with a steady temperature around 21. Northwest wind around 6 mph, with gusts as high as 18 mph.  Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 21 °F

    Patchy Wintry
    Mix

  • Wednesday

    Wednesday: Snow likely, mainly between 9am and 5pm.  Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 23 by 10am, then falling to around 15 during the remainder of the day. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -2. Wind chill values as low as -10. Northwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: -2 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 16. Wind chill values as low as -2. Light west wind.

    High: 16 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 5. Calm wind.

    Low: 5 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 19. Calm wind becoming northwest around 6 mph in the morning.

    High: 19 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. Light northwest wind.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 21. Calm wind.

    High: 21 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy snow and freezing rain, mainly before 9pm. Mostly cloudy, with a steady temperature around 21. Northwest wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly between 9am and 5pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 23 by 10am, then falling to around 15 during the remainder of the day. Northwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around -2. Wind chill values as low as -10. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
New Year's Day
Partly sunny, with a high near 16. Wind chill values as low as -2. Light west wind.
Thursday Night
Mostly cloudy, with a low around 5. Calm wind.
Friday
Mostly sunny, with a high near 19. Calm wind becoming northwest around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 2. Light northwest wind.
Saturday
Partly sunny, with a high near 21. Calm wind.
Saturday Night
Mostly cloudy, with a low around 8. Calm wind.
Sunday
Mostly cloudy, with a high near 29. Calm wind becoming south around 5 mph.
Sunday Night
Mostly cloudy, with a low around 15. Light and variable wind.
Monday
Partly sunny, with a high near 30. West wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 12. Light west wind.
Tuesday
Partly sunny, with a high near 27. West wind 3 to 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Tunnel City WI
 44.01°N 90.63°W
6:21 pm CST Dec 30, 2025
7pm CST Dec 30, 2025-6pm CST Jan 6, 2026
 
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Additional Resources

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