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.

A Few Clouds with Haze

18°F

-8°C

Humidity 39%
Wind Speed Calm
Barometer 30.13 in (1022.3 mb)
Dewpoint -3°F (-19°C)
Visibility 5.00 mi
Last update 17 Mar 12:55 pm CDT
Extended Forecast for

Melvina WI

  • Tonight

    Tonight: Snow before 4am, then a slight chance of snow and freezing rain. Low around 17. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 17 °F

    Snow then
    Wintry Mix

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. West wind 5 to 7 mph.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 33. Light south wind.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Light and variable wind.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57. Southwest wind around 6 mph becoming northwest in the afternoon.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. North wind around 6 mph becoming southeast in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. South wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Southwest wind 8 to 10 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Snow before 4am, then a slight chance of snow and freezing rain. Low around 17. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Partly sunny, with a high near 45. West wind 5 to 7 mph.
Wednesday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 33. Light south wind.
Thursday
Mostly sunny, with a high near 50. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.
Friday
Partly sunny, with a high near 57. Southwest wind around 6 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 35. North wind around 6 mph becoming southeast in the evening.
Saturday
Mostly sunny, with a high near 66. South wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Southwest wind 8 to 10 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly sunny, with a high near 53. Northwest wind around 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 24. North wind 6 to 8 mph, with gusts as high as 18 mph.
Monday
Partly sunny, with a high near 44. Northeast wind 6 to 8 mph becoming south in the afternoon.
Monday Night
Mostly cloudy, with a low around 27. Southeast wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 48. South wind 6 to 9 mph, with gusts as high as 18 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:
3:49 pm CDT Mar 17, 2026
Forecast Valid:
3pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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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