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.

Overcast

21°F

-6°C

Humidity 54%
Wind Speed E 5 mph
Barometer 30.23 in (1025.4 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 8 Feb 2:55 am CST
Extended Forecast for

4 Miles NW Melvina WI

  • Overnight

    Overnight: Partly cloudy, with a low around 18. Southeast wind around 9 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Southeast wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. South wind around 7 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43. South wind 3 to 7 mph.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. Light and variable wind becoming west around 6 mph in the evening.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Northwest wind 3 to 7 mph.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 39. Light northwest wind.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 18. Southeast wind around 9 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 34. Southeast wind 7 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 23. South wind around 7 mph.
Monday
Partly sunny, with a high near 43. South wind 3 to 7 mph.
Monday Night
Mostly cloudy, with a low around 30. Light and variable wind becoming west around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 40. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 19. Northwest wind 3 to 7 mph.
Wednesday
Sunny, with a high near 39. Light northwest wind.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23. Calm wind.
Thursday
A 40 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 23. Light southeast wind.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 25. South wind 3 to 6 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 40. Southeast wind 6 to 8 mph.
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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:
2:57 am CST Feb 8, 2026
Forecast Valid:
3am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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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