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.

Mostly Cloudy

57°F

14°C

Humidity 81%
Wind Speed Calm
Barometer 30.15 in (1021.5 mb)
Dewpoint 51°F (11°C)
Visibility 9.00 mi
Last update 16 Oct 10:55 am CDT
Extended Forecast for

3 Miles W Tunnel City WI

  • Today

    Today: Showers likely, mainly between noon and 2pm. Mostly cloudy, with a high near 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: A slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 56. Southeast wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76. South wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Southwest wind around 6 mph becoming calm after midnight. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the morning.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 41. Northwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 58. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. West wind 3 to 6 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. South wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Showers likely, mainly between noon and 2pm. Mostly cloudy, with a high near 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 56. Southeast wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76. South wind 8 to 14 mph, with gusts as high as 25 mph.
Friday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Southwest wind around 6 mph becoming calm after midnight. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the morning.
Saturday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 41. Northwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 58. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 38. West wind 3 to 6 mph.
Monday
Sunny, with a high near 65. South wind 5 to 10 mph, with gusts as high as 18 mph.
Monday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 42. South wind around 6 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 58. West wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 35. West wind 7 to 9 mph, with gusts as high as 21 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 55. West wind 7 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Tunnel City WI
 43.99°N 90.63°W
Last Update:
11:16 am CDT Oct 16, 2025
Forecast Valid:
11am CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation