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.

A Few Clouds

21°C

70°F

Humidity 80%
Wind Speed Calm
Barometer 1012.4 mb (29.90 in)
Dewpoint 18°C (64°F)
Visibility 13 km
Last update 12 Jul 8:55 pm CDT
Extended Forecast for

3 Miles S Tunnel City WI

  • Tonight

    Tonight: Areas of smoke after 3am. Mostly clear, with a low around 14. West wind 3 to 8 km/h.

    Low: 14 °C

    Mostly Clear
    then Areas
    Smoke

  • Sunday

    Sunday: Areas of smoke. Sunny, with a high near 28. Southwest wind 5 to 13 km/h.

    High: 28 °C

    Areas Smoke

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19. Southwest wind around 10 km/h.

    Low: 19 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 31. West wind 8 to 10 km/h.

    High: 31 °C

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 30. South wind 8 to 13 km/h.

    High: 30 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19. South wind 5 to 8 km/h.

    Low: 19 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 27. South wind 8 to 13 km/h. Chance of precipitation is 60%.

    High: 27 °C

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 16. Northeast wind around 10 km/h.

    Low: 16 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Areas of smoke after 3am. Mostly clear, with a low around 14. West wind 3 to 8 km/h.
Sunday
Areas of smoke. Sunny, with a high near 28. Southwest wind 5 to 13 km/h.
Sunday Night
Mostly clear, with a low around 19. Southwest wind around 10 km/h.
Monday
Sunny, with a high near 31. West wind 8 to 10 km/h.
Monday Night
Partly cloudy, with a low around 21. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 30. South wind 8 to 13 km/h.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19. South wind 5 to 8 km/h.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 27. South wind 8 to 13 km/h. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 16. Northeast wind around 10 km/h.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 24. North wind around 11 km/h.
Thursday Night
Mostly cloudy, with a low around 14. Calm wind.
Friday
Partly sunny, with a high near 24. Northeast wind 3 to 8 km/h.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 15. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 26. South wind 5 to 10 km/h.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Tunnel City WI
 43.94°N 90.54°W
Last Update:
9:01 pm CDT Jul 12, 2025
Forecast Valid:
9pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
Forecast Discussion
 
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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