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.

Overcast

39°F

4°C

Humidity 55%
Wind Speed Calm
Barometer 30.23 in (1025.4 mb)
Dewpoint 24°F (-4°C)
Visibility 7.00 mi
Last update 2 Mar 4:55 pm CST
Extended Forecast for

5 Miles SSW Sparta WI

  • Tonight

    Tonight: A slight chance of drizzle before 3am, then a slight chance of drizzle or freezing rain between 3am and 5am, then a slight chance of drizzle, snow, and freezing rain after 5am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Tuesday

    Tuesday: A chance of drizzle or freezing rain before 9am, then a slight chance of drizzle between 9am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Calm wind. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Drizzle/Freezing
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 53. Light southeast wind.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 49. Light east wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Calm wind becoming southeast around 5 mph after midnight.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain. High near 59. Southeast wind 5 to 7 mph. Chance of precipitation is 90%.

    High: 59 °F

    Rain

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 40. South wind around 7 mph becoming west after midnight. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Tonight
A slight chance of drizzle before 3am, then a slight chance of drizzle or freezing rain between 3am and 5am, then a slight chance of drizzle, snow, and freezing rain after 5am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.
Tuesday
A chance of drizzle or freezing rain before 9am, then a slight chance of drizzle between 9am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 47. Calm wind. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 27. Calm wind.
Wednesday
Sunny, with a high near 53. Light southeast wind.
Wednesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 34. Calm wind.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 49. Light east wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Calm wind becoming southeast around 5 mph after midnight.
Friday
Rain. High near 59. Southeast wind 5 to 7 mph. Chance of precipitation is 90%.
Friday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 40. South wind around 7 mph becoming west after midnight. Chance of precipitation is 70%.
Saturday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 57. West wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 32. West wind around 6 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 58. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 36. Southwest wind around 7 mph.
Monday
A 20 percent chance of rain. Sunny, with a high near 59. West wind 6 to 13 mph becoming south in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
4:16 pm CST Mar 2, 2026
Forecast Valid:
5pm CST Mar 2, 2026-6pm CDT Mar 9, 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