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 79%
Wind Speed Calm
Barometer 30.54 in (1036.6 mb)
Dewpoint 5°F (-15°C)
Visibility 8.00 mi
Last update 31 Jan 7:55 am CST
Extended Forecast for

4 Miles NW Melvina WI

  • Today

    Today: Mostly sunny, with a high near 21. Light northwest wind.

    High: 21 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Wind chill values as low as -3. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 21 mph.

    Low: 7 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow likely, mainly after noon. Mostly cloudy, 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 60%. New snow accumulation of less than one inch possible.

    High: 25 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13. South wind around 6 mph becoming northwest after midnight.

    Low: 13 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. Northwest wind 3 to 6 mph.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24. Calm wind becoming north around 5 mph.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Partly Cloudy

  • Wednesday

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

    High: 25 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 21. Light northwest wind.
Tonight
Partly cloudy, with a low around 7. Wind chill values as low as -3. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 21 mph.
Sunday
Snow likely, mainly after noon. Mostly cloudy, 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 60%. New snow accumulation of less than one inch possible.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13. South wind around 6 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 25. Northwest wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 8. Calm wind.
Tuesday
Mostly sunny, with a high near 24. Calm wind becoming north around 5 mph.
Tuesday Night
Partly cloudy, with a low around 3. Calm wind.
Wednesday
Mostly sunny, with a high near 25. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 9. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 34. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25. Southwest wind 8 to 10 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 33. Northwest wind 10 to 13 mph, with gusts as high as 22 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:
8:38 am CST Jan 31, 2026
Forecast Valid:
8am CST Jan 31, 2026-6pm CST Feb 6, 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