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

27°F

-3°C

Humidity 66%
Wind Speed NW 3 mph
Barometer 30.29 in (1027.3 mb)
Dewpoint 17°F (-8°C)
Visibility 9.00 mi
Last update 9 Nov 4:55 pm CST
Extended Forecast for

Tunnel City WI

  • This Afternoon

    This Afternoon: A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 27. Northwest wind around 10 mph, with gusts as high as 21 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow before 9pm, then scattered flurries between 9pm and midnight. Partly cloudy, with a low around 18. Northwest wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 18 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 20. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 18 mph.

    Low: 20 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 45. South wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. West wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 47. Breezy, with a west wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 47 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Light and variable wind becoming southwest 5 to 7 mph.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 27. Northwest wind around 10 mph, with gusts as high as 21 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 9pm, then scattered flurries between 9pm and midnight. Partly cloudy, with a low around 18. Northwest wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 35. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Monday Night
Increasing clouds, with a low around 20. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 18 mph.
Veterans Day
Partly sunny, with a high near 45. South wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 30. West wind 7 to 10 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 47. Breezy, with a west wind 9 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 25. West wind 3 to 7 mph. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 52. Light and variable wind becoming southwest 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 27. Light south wind.
Friday
Mostly sunny, with a high near 53. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 39. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 59. South wind 8 to 11 mph, with gusts as high as 22 mph.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37. Southeast wind around 7 mph becoming west after midnight.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 52. West wind 7 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tunnel City WI
 44.01°N 90.54°W
Last Update:
4:11 pm CST Nov 9, 2025
Forecast Valid:
5pm CST Nov 9, 2025-6pm CST Nov 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation