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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles W Tunnel City WI

  • Today

    Today: Sunny, with a high near 64. East wind 3 to 6 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 45. Calm wind.

    Low: 45 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Light southeast wind.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 64. Southeast wind 3 to 7 mph.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49. Light south wind.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 67. Calm wind.

    High: 67 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 64. East wind 3 to 6 mph.
Tonight
Increasing clouds, with a low around 45. Calm wind.
Thursday
Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 49. Calm wind.
Friday
Partly sunny, with a high near 68. Light southeast wind.
Friday Night
Mostly cloudy, with a low around 48. Calm wind.
Saturday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 64. Southeast wind 3 to 7 mph.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49. Light south wind.
Sunday
Mostly cloudy, with a high near 67. Calm wind.
Sunday Night
Partly cloudy, with a low around 51. Calm wind.
Monday
Partly sunny, with a high near 72. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55. Calm wind becoming south around 5 mph after midnight.
Tuesday
Showers likely. Partly sunny, with a high near 68. South wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Tunnel City WI
 44.01°N 90.63°W
Last Update:
6:46 am CDT Sep 23, 2026
Forecast Valid:
9am CDT Sep 23, 2026-6pm CDT Sep 29, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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