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

8°F

-13°C

Humidity 86%
Wind Speed Calm
Barometer 30.37 in (1030.3 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 2 Mar 4:55 am CST
Extended Forecast for

Sparta WI

  • Today

    Today: Sunny through mid morning, then becoming partly sunny, with a high near 42. South wind 3 to 8 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of drizzle or freezing rain between midnight and 3am, then a slight chance of freezing rain after 3am. Mostly cloudy, with a low around 29. Light south wind. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Drizzle/Freezing
    Rain

  • Tuesday

    Tuesday: A slight chance of freezing rain before 8am, then a slight chance of rain between 8am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 46. Calm wind. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Freezing
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of freezing rain before 9am, then a slight chance of rain. Mostly sunny, with a high near 50. Light east wind. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Freezing
    Rain then
    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after midnight. Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 50. Light east wind.

    High: 50 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Calm wind becoming east around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 57. Southeast wind 5 to 8 mph. Chance of precipitation is 80%.

    High: 57 °F

    Rain

Detailed Forecast

Today
Sunny through mid morning, then becoming partly sunny, with a high near 42. South wind 3 to 8 mph.
Tonight
A slight chance of drizzle or freezing rain between midnight and 3am, then a slight chance of freezing rain after 3am. Mostly cloudy, with a low around 29. Light south wind. Chance of precipitation is 20%.
Tuesday
A slight chance of freezing rain before 8am, then a slight chance of rain between 8am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 46. Calm wind. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 26. Calm wind.
Wednesday
A slight chance of freezing rain before 9am, then a slight chance of rain. Mostly sunny, with a high near 50. Light east wind. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of rain, mainly after midnight. Partly cloudy, with a low around 34. Calm wind.
Thursday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 50. Light east wind.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Calm wind becoming east around 5 mph after midnight.
Friday
Rain. High near 57. Southeast wind 5 to 8 mph. Chance of precipitation is 80%.
Friday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. South wind around 6 mph becoming west after midnight. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 55. West wind around 7 mph.
Saturday Night
Mostly clear, with a low around 33. Southwest wind around 6 mph.
Sunday
Sunny, with a high near 60. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta WI
 43.93°N 90.81°W
Last Update:
4:36 am CST Mar 2, 2026
Forecast Valid:
5am CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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