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

54°F

12°C

Humidity 28%
Wind Speed Calm
Barometer 30.17 in (1022.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 24 Mar 3:55 pm CDT
Extended Forecast for

3 Miles E Sparta / Fort McCoy Airport WI

  • 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 66. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 62. Light and variable wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 62 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. North wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. Light north wind becoming northwest 5 to 9 mph in the morning.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. West wind 3 to 6 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. West wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Light and variable wind becoming south around 5 mph after midnight.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Light south wind.
Wednesday
Mostly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 43. Calm wind.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 62. Light and variable wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 22. North wind 5 to 10 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 43. Light north wind becoming northwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 23. West wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 53. West wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 32. Light and variable wind becoming south around 5 mph after midnight.
Sunday
Partly sunny, with a high near 61. South wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 39. South wind around 6 mph.
Monday
Mostly sunny, with a high near 66. South wind 5 to 7 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 40. Southeast wind 6 to 8 mph, with gusts as high as 18 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 62. East wind 8 to 11 mph, with gusts as high as 22 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sparta / Fort McCoy Airport WI
 43.97°N 90.66°W
Last Update:
1:26 pm CDT Mar 24, 2026
Forecast Valid:
4pm CDT Mar 24, 2026-6pm CDT Mar 31, 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