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

36°F

2°C

Humidity 97%
Wind Speed Calm
Barometer 29.77 in (1009.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 20 Mar 7:55 am CDT
Extended Forecast for

Melvina WI

  • Today

    Today: Partly sunny, with a high near 60. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 60 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. South wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 45. Light and variable wind becoming north 5 to 8 mph after midnight.

    Low: 45 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 50. Northeast wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 50 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. North wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49. Light and variable wind becoming north around 5 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. South wind 3 to 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. South wind around 8 mph becoming west in the afternoon.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 60. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 39. Calm wind becoming south around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 73. South wind 6 to 11 mph, with gusts as high as 22 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 45. Light and variable wind becoming north 5 to 8 mph after midnight.
Sunday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 50. Northeast wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 26. North wind 5 to 9 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 49. Light and variable wind becoming north around 5 mph.
Monday Night
Mostly cloudy, with a low around 35. South wind 3 to 7 mph.
Tuesday
Partly sunny, with a high near 54. South wind around 8 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 31. Northwest wind 5 to 7 mph becoming east after midnight.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 52. Southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 38. South wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 54. Northwest wind 10 to 15 mph, with gusts as high as 24 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:
5:16 am CDT Mar 20, 2026
Forecast Valid:
8am CDT Mar 20, 2026-6pm CDT Mar 26, 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