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.

A Few Clouds

-28°F

-33°C

Humidity 70%
Wind Speed Calm
Barometer 30.73 in (1045.0 mb)
Dewpoint -35°F (-37°C)
Visibility 10.00 mi
Last update 24 Jan 4:55 am CST
Extended Forecast for

Melvina WI

  • Today

    Today: Mostly sunny and cold, with a high near 1. Wind chill values as low as -21. Calm wind.

    High: 1 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, with a low around -11. Calm wind.

    Low: -11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 7. Wind chill values as low as -10. Calm wind becoming north around 6 mph in the afternoon.

    High: 7 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -12. Wind chill values as low as -22. Northwest wind around 6 mph.

    Low: -12 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 10. West wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 10 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 2. Southwest wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 2 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 13. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 13 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around -3. West wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: -3 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow. Partly sunny, with a high near 12. West wind 5 to 8 mph.

    High: 12 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Mostly sunny and cold, with a high near 1. Wind chill values as low as -21. Calm wind.
Tonight
Mostly cloudy, with a low around -11. Calm wind.
Sunday
Mostly sunny, with a high near 7. Wind chill values as low as -10. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around -12. Wind chill values as low as -22. Northwest wind around 6 mph.
Monday
Sunny, with a high near 10. West wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 2. Southwest wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 23 mph.
Tuesday
Partly sunny, with a high near 13. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around -3. West wind 5 to 8 mph, with gusts as high as 18 mph.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 12. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around -5. Northwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 13. Northwest wind around 7 mph.
Thursday Night
Partly cloudy, with a low around -2. Northwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 17. Northwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.79°W
Last Update:
5:16 am CST Jan 24, 2026
Forecast Valid:
5am CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation