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

23°F

-5°C

Humidity 90%
Wind Speed Calm
Barometer 30.18 in (1023.5 mb)
Dewpoint 21°F (-6°C)
Visibility 9.00 mi
Last update 12 Feb 9:55 pm CST
Extended Forecast for

5 Miles SSW Sparta WI

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Calm wind becoming south around 5 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. Light west wind.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Light south wind.

    Low: 33 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 58. Southwest wind 3 to 7 mph.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Light southeast wind.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Calm wind.
Friday
Sunny, with a high near 52. Light and variable wind.
Friday Night
Partly cloudy, with a low around 28. Calm wind.
Saturday
Mostly sunny, with a high near 53. Calm wind becoming south around 5 mph.
Saturday Night
Mostly clear, with a low around 29. Calm wind.
Sunday
Sunny, with a high near 52. Light west wind.
Sunday Night
Mostly cloudy, with a low around 33. Light south wind.
Washington's Birthday
Partly sunny, with a high near 58. Southwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 37. Light southeast wind.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 55. Light southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40. Southeast wind around 8 mph, with gusts as high as 21 mph.
Wednesday
A 50 percent chance of rain. Mostly sunny, with a high near 50. Southeast wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Northwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 39. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
9:16 pm CST Feb 12, 2026
Forecast Valid:
10pm CST Feb 12, 2026-6pm CST Feb 19, 2026
 
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Additional Resources

Radar & Satellite Image

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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