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

19°F

-7°C

Humidity 54%
Wind Speed Calm
Barometer 30.42 in (1031.9 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 1 Mar 3:55 am CST
Extended Forecast for

Melvina WI

  • Today

    Today: Sunny, with a high near 31. Calm wind.

    High: 31 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 17. Calm wind becoming south around 6 mph after midnight.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 41. South wind 3 to 7 mph.

    High: 41 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 31. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 45. Light east wind.

    High: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly sunny, with a high near 46. Calm wind becoming east around 5 mph.

    High: 46 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 33. Light east wind.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Mostly cloudy, with a high near 52. Southeast wind 3 to 6 mph.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 31. Calm wind.
Tonight
Mostly clear, with a low around 17. Calm wind becoming south around 6 mph after midnight.
Monday
Increasing clouds, with a high near 41. South wind 3 to 7 mph.
Monday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 31. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 45. Light east wind.
Tuesday Night
Partly cloudy, with a low around 30. Calm wind.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 46. Calm wind becoming east around 5 mph.
Wednesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 33. Light east wind.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 52. Southeast wind 3 to 6 mph.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39. Southeast wind 5 to 7 mph.
Friday
Rain likely. Mostly cloudy, with a high near 57. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34. Southwest wind around 8 mph.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 54. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Melvina WI
 43.8°N 90.79°W
Last Update:
2:51 am CST Mar 1, 2026
Forecast Valid:
4am CST Mar 1, 2026-6pm CST Mar 7, 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