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

-5°F

-21°C

Humidity 80%
Wind Speed Calm
Barometer 30.28 in (1027.9 mb)
Dewpoint -10°F (-23°C)
Visibility 9.00 mi
Last update 1 Feb 1:55 am CST
Extended Forecast for

Melvina WI

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 9. Wind chill values as low as -3. South wind 5 to 8 mph.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow likely after 8am. Mostly cloudy, with a high near 24. Wind chill values as low as -3. South wind 7 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of snow before 9pm. Mostly cloudy, with a low around 11. South wind around 8 mph becoming northwest after midnight. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 24. Northwest wind 3 to 7 mph.

    High: 24 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 23. Light north wind.

    High: 23 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 1. Calm wind.

    Low: 1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Light west wind.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12. Light west wind.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 9. Wind chill values as low as -3. South wind 5 to 8 mph.
Sunday
Snow likely after 8am. Mostly cloudy, with a high near 24. Wind chill values as low as -3. South wind 7 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow before 9pm. Mostly cloudy, with a low around 11. South wind around 8 mph becoming northwest after midnight. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 24. Northwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 4. Calm wind.
Tuesday
Sunny, with a high near 23. Light north wind.
Tuesday Night
Partly cloudy, with a low around 1. Calm wind.
Wednesday
Mostly sunny, with a high near 25. Light west wind.
Wednesday Night
Mostly cloudy, with a low around 12. Light west wind.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 37. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. West wind around 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 32. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 4. North wind 5 to 9 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 21. North wind 5 to 7 mph becoming south 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:
1:42 am CST Feb 1, 2026
Forecast Valid:
2am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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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