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

56°F

13°C

Humidity 60%
Wind Speed Calm
Barometer 29.90 in (1013.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 5:55 pm CDT
Extended Forecast for

5 Miles SSW Sparta WI

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. Calm wind becoming north around 6 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 48. North wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. North wind 5 to 7 mph becoming calm after midnight.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. Calm wind becoming south around 6 mph in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. South wind 6 to 8 mph becoming west in the afternoon.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Northwest wind around 6 mph becoming east after midnight.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. Calm wind.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 42. Calm wind becoming north around 6 mph after midnight.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 48. North wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 25. North wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 49. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 35. Calm wind becoming south around 6 mph in the evening.
Tuesday
Partly sunny, with a high near 56. South wind 6 to 8 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 32. Northwest wind around 6 mph becoming east after midnight.
Wednesday
Mostly cloudy, with a high near 50. Southeast wind around 7 mph.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38. South wind 6 to 9 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 57. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 23. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 42. Northwest wind around 9 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
3:52 pm CDT Mar 20, 2026
Forecast Valid:
6pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation