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

-7°F

-22°C

Humidity 82%
Wind Speed Calm
Barometer 30.17 in (1025.0 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Last update 28 Jan 6:55 am CST
Extended Forecast for

4 Miles NW Melvina WI

  • Today

    Today: Sunny, with a high near 11. Wind chill values as low as -13. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 11 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -8. Northwest wind around 6 mph becoming calm in the evening.

    Low: -8 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 12. Wind chill values as low as -8. Calm wind becoming northwest around 5 mph.

    High: 12 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -7. Wind chill values as low as -14. Light north wind.

    Low: -7 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 13. North wind 3 to 8 mph.

    High: 13 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2. North wind around 6 mph becoming calm after midnight.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 21. Light northwest wind.

    High: 21 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. Calm wind becoming south around 5 mph after midnight.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow. Partly sunny, with a high near 26. Southwest wind around 6 mph.

    High: 26 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 11. Wind chill values as low as -13. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around -8. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 12. Wind chill values as low as -8. Calm wind becoming northwest around 5 mph.
Thursday Night
Partly cloudy, with a low around -7. Wind chill values as low as -14. Light north wind.
Friday
Sunny, with a high near 13. North wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around -2. North wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 21. Light northwest wind.
Saturday Night
Partly cloudy, with a low around 3. Calm wind becoming south around 5 mph after midnight.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 26. Southwest wind around 6 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Light and variable wind.
Monday
Partly sunny, with a high near 28. Northwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 9. Calm wind.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 29. Calm wind becoming south around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
8:11 am CST Jan 28, 2026
Forecast Valid:
9am CST Jan 28, 2026-6pm CST Feb 3, 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