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.

Fair

0°F

-18°C

Humidity 80%
Wind Speed Calm
Barometer 30.37 in (1030.5 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Last update 7 Feb 4:55 am CST
Extended Forecast for

5 Miles SSW Sparta WI

  • Today

    Today: Increasing clouds, with a high near 25. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 25 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of flurries before 1am. Mostly cloudy, with a low around 18. Southeast wind 5 to 7 mph.

    Low: 18 °F

    Slight Chance
    Flurries

  • Sunday

    Sunday: Partly sunny, with a high near 33. Southeast wind 3 to 6 mph.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. Light south wind.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. Southwest wind around 5 mph becoming calm in the afternoon.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 46. Northwest wind 3 to 7 mph.

    High: 46 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Northwest wind 3 to 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Northwest wind 3 to 5 mph.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 25. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
A slight chance of flurries before 1am. Mostly cloudy, with a low around 18. Southeast wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 33. Southeast wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 22. Light south wind.
Monday
Partly sunny, with a high near 45. Southwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 32. Light and variable wind.
Tuesday
Mostly cloudy, with a high near 46. Northwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Northwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 38. Northwest wind 3 to 5 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22. Calm wind.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 40. Calm wind becoming southeast around 5 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24. Light southeast wind.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 41. Calm wind becoming southeast around 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
5:21 am CST Feb 7, 2026
Forecast Valid:
5am CST Feb 7, 2026-6pm CST Feb 13, 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