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

25°F

-4°C

Humidity 89%
Wind Speed Calm
Barometer 30.29 in (1027.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 23 Mar 1:55 am CDT
Extended Forecast for

Melvina WI

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 27. Light north wind.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. North wind around 5 mph becoming calm in the morning.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Calm wind becoming south 5 to 7 mph in the evening.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South wind 3 to 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Southwest wind around 7 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. Calm wind becoming south around 5 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. North wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 27. Light north wind.
Monday
Sunny, with a high near 48. North wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 34. Calm wind becoming south 5 to 7 mph in the evening.
Tuesday
Partly sunny, with a high near 56. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 64. Southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 45. Calm wind becoming south around 5 mph after midnight.
Thursday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 26. North wind 9 to 11 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 44. North wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 25. West wind 5 to 7 mph.
Saturday
Sunny, with a high near 51. West wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 32. West wind around 7 mph becoming south after midnight.
Sunday
Mostly sunny, with a high near 60. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.79°W
Last Update:
1:26 am CDT Mar 23, 2026
Forecast Valid:
2am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
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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