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.

Light Rain

38°F

3°C

Humidity 75%
Wind Speed Calm
Barometer 29.89 in (1013.3 mb)
Dewpoint 31°F (-1°C)
Visibility 6.00 mi
Last update 8 Nov 3:55 pm CST
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: A chance of rain and snow. Cloudy, with a high near 40. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 9pm. Mostly cloudy, with a low around 19. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 19 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Isolated snow showers between noon and 5pm, then scattered flurries after 5pm. Increasing clouds, with a high near 31. Northwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 31 °F

    Mostly Sunny
    then Isolated
    Snow Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. Northwest wind 5 to 7 mph, with gusts as high as 18 mph.

    Low: 16 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 37. Northwest wind 5 to 10 mph.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. Calm wind becoming south around 5 mph after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 46. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31. West wind around 6 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Breezy, with a northwest wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 47 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

This Afternoon
A chance of rain and snow. Cloudy, with a high near 40. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 9pm. Mostly cloudy, with a low around 19. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday
Isolated snow showers between noon and 5pm, then scattered flurries after 5pm. Increasing clouds, with a high near 31. Northwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 16. Northwest wind 5 to 7 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 37. Northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 20. Calm wind becoming south around 5 mph after midnight.
Veterans Day
Partly sunny, with a high near 46. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 31. West wind around 6 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 47. Breezy, with a northwest wind 7 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 25. West wind 3 to 8 mph. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 51. West wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 28. Light and variable wind.
Friday
Sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the morning.
Friday Night
Mostly cloudy, with a low around 39. South wind 3 to 6 mph.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 61. South wind 6 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.95°N 90.84°W
Last Update:
3:51 pm CST Nov 8, 2025
Forecast Valid:
4pm CST Nov 8, 2025-6pm CST Nov 15, 2025
 
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