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.

Mostly Cloudy

31°F

-1°C

Humidity 89%
Wind Speed Calm
Barometer 29.96 in (1015.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 19 Mar 3:55 am CDT
Extended Forecast for

Melvina WI

  • Today

    Today: Patchy fog before 10am. Otherwise, partly sunny, with a high near 49. Calm wind becoming east around 5 mph in the afternoon.

    High: 49 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Southeast wind 5 to 9 mph becoming southwest after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58. Northwest wind 5 to 8 mph.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. South wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 18 mph.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 47. North wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 47 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. North wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. North wind around 6 mph.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, partly sunny, with a high near 49. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 37. Southeast wind 5 to 9 mph becoming southwest after midnight.
Friday
Partly sunny, with a high near 58. Northwest wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 36. Light and variable wind.
Saturday
Mostly sunny, with a high near 66. Calm wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. South wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Sunday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 47. North wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 24. North wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 46. North wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 31. South wind 5 to 8 mph.
Tuesday
Mostly cloudy, with a high near 53. Southwest wind 7 to 9 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32. North wind 5 to 7 mph becoming southeast after midnight.
Wednesday
Mostly cloudy, with a high near 57. Southeast wind 7 to 11 mph, with gusts as high as 21 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:
2:17 am CDT Mar 19, 2026
Forecast Valid:
4am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation