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.

Overcast

10°F

-12°C

Humidity 71%
Wind Speed Calm
Barometer 30.55 in (1036.8 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 31 Jan 12:55 am CST
Extended Forecast for

4 Miles NW Melvina WI

  • Overnight

    Overnight: Partly cloudy, with a low around 1. Wind chill values as low as -8. Northwest wind around 7 mph.

    Low: 1 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 21. Wind chill values as low as -9. Northwest wind around 6 mph becoming calm in the morning.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 7. Wind chill values as low as -4. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 21 mph.

    Low: 7 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow likely. Partly sunny, with a high near 25. Wind chill values as low as -2. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 25 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 13 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. Northwest wind 3 to 6 mph.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow. Mostly sunny, with a high near 27. Light east wind.

    High: 27 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 1. Wind chill values as low as -8. Northwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 21. Wind chill values as low as -9. Northwest wind around 6 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 7. Wind chill values as low as -4. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 21 mph.
Sunday
Snow likely. Partly sunny, with a high near 25. Wind chill values as low as -2. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Southwest wind around 6 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 26. Northwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 12. Calm wind.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 27. Light east wind.
Tuesday Night
Mostly cloudy, with a low around 9. Calm wind.
Wednesday
Mostly sunny, with a high near 26. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 12. Light west wind.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 32. Southwest wind 3 to 8 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21. Southwest wind 7 to 9 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 31. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Melvina WI
 43.84°N 90.85°W
Last Update:
11:32 pm CST Jan 30, 2026
Forecast Valid:
1am CST Jan 31, 2026-6pm CST Feb 6, 2026
 
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Additional Resources

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Chance of Precipitation