National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

40°F

4°C

Humidity 63%
Wind Speed Calm
Barometer 29.94 in (1015.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 Mar 3:55 pm CDT
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: A slight chance of rain before 1am, then a slight chance of rain after 2am. Mostly cloudy, with a low around 31. Light and variable wind. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 48. Calm wind becoming east around 5 mph in the afternoon.

    High: 48 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37. Calm wind becoming south around 6 mph after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58. Southwest wind around 6 mph becoming northwest in the afternoon.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Southwest wind 3 to 8 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. Southwest wind 7 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 46. North wind around 11 mph, with gusts as high as 21 mph.

    High: 46 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. North wind 5 to 8 mph.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain before 1am, then a slight chance of rain after 2am. Mostly cloudy, with a low around 31. Light and variable wind. Chance of precipitation is 20%.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 48. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 37. Calm wind becoming south around 6 mph after midnight.
Friday
Partly sunny, with a high near 58. Southwest wind around 6 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 37. Calm wind.
Saturday
Mostly sunny, with a high near 70. Southwest wind 3 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 36. Southwest wind 7 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly cloudy, with a high near 46. North wind around 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 23. North wind 5 to 8 mph.
Monday
Sunny, with a high near 45. Northeast wind 5 to 7 mph becoming south in the afternoon.
Monday Night
Mostly cloudy, with a low around 30. South wind 5 to 8 mph.
Tuesday
Partly sunny, with a high near 51. Southwest wind around 8 mph.
Tuesday Night
Mostly cloudy, with a low around 32. South wind around 6 mph becoming southeast after midnight.
Wednesday
A slight chance of rain and snow. Mostly cloudy, with a high near 56. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
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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:
3:07 pm CDT Mar 18, 2026
Forecast Valid:
4pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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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