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.

Partly Cloudy

39°F

4°C

Humidity 50%
Wind Speed Calm
Barometer 30.23 in (1024.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 24 Mar 4:55 am CDT
Extended Forecast for

3 Miles W Tunnel City WI

  • Today

    Today: Partly sunny, with a high near 56. Southwest wind 5 to 7 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Light south wind.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Southwest wind 3 to 6 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. Light south wind.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 61. Light northwest wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 61 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. North wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 43. Light and variable wind becoming northwest 5 to 8 mph in the morning.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. West wind 3 to 6 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 54 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 56. Southwest wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 35. Light south wind.
Wednesday
Mostly sunny, with a high near 65. Southwest wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 45. Light south wind.
Thursday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 61. Light northwest wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 23. North wind 6 to 11 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 43. Light and variable wind becoming northwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 22. West wind 3 to 6 mph.
Saturday
Sunny, with a high near 54. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 32. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 60. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 35. South wind around 6 mph.
Monday
Mostly sunny, with a high near 66. South wind 6 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Tunnel City WI
 44.01°N 90.63°W
Last Update:
5:02 am CDT Mar 24, 2026
Forecast Valid:
5am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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