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.

Partly Cloudy

61°F

16°C

Humidity 74%
Wind Speed Calm
Barometer 29.90 in (1012.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 13 Oct 6:55 pm CDT
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: A slight chance of showers before 10pm, then a chance of sprinkles between 10pm and 11pm. Mostly cloudy, with a low around 46. Light northwest wind. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Calm wind becoming north around 5 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. Light east wind.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 1pm. High near 61. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 39. Breezy, with a northwest wind 8 to 18 mph, with gusts as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 56. Breezy, with a north wind 17 to 22 mph, with gusts as high as 36 mph.

    High: 56 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 61. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 61 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39. Southwest wind around 11 mph, with gusts as high as 28 mph.

    Low: 39 °F

    Clear

Detailed Forecast

Tonight
A slight chance of showers before 10pm, then a chance of sprinkles between 10pm and 11pm. Mostly cloudy, with a low around 46. Light northwest wind. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 66. Calm wind becoming north around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 45. Light east wind.
Thursday
Showers, mainly after 1pm. High near 61. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 39. Breezy, with a northwest wind 8 to 18 mph, with gusts as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 56. Breezy, with a north wind 17 to 22 mph, with gusts as high as 36 mph.
Friday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 61. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Clear, with a low around 39. Southwest wind around 11 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 66. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 44. South wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 24 mph.
Monday
Mostly sunny, with a high near 68. Calm wind.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Mostly sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon.
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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:
6:06 pm CDT Oct 13, 2026
Forecast Valid:
7pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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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