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.

Mostly Cloudy

40°F

4°C

Humidity 66%
Wind Speed NE 7 mph
Barometer 29.94 in (1014.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Mar 8:55 am CDT
Extended Forecast for

Sparta WI

  • Today

    Today: A 10 percent chance of showers after 5pm. Partly sunny, with a high near 51. East wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 51 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of rain showers before 2am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 30. Northeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 7am, then snow showers. High near 38. North wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 38 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 7pm. Mostly clear, with a low around 21. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 21 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: A slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Partly sunny, with a high near 46. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain before 1am, then rain and snow likely. Low around 29. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Snow likely before 7am. Mostly sunny, with a high near 42. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 42 °F

    Breezy. Snow
    Likely then
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of snow showers before 1pm, then a chance of rain and snow showers. Cloudy, with a high near 42. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 42 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 51. East wind 8 to 13 mph, with gusts as high as 21 mph.
Tonight
A chance of rain showers before 2am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 30. Northeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow showers before 7am, then snow showers. High near 38. North wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday Night
A 30 percent chance of snow before 7pm. Mostly clear, with a low around 21. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
A slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of rain showers after 4pm. Partly sunny, with a high near 46. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Rain before 1am, then rain and snow likely. Low around 29. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Snow likely before 7am. Mostly sunny, with a high near 42. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Cloudy, with a high near 42. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Saturday Night
Rain and snow showers likely. Cloudy, with a low around 25. East wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 34. Breezy, with a north wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 10. North wind 10 to 14 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 25. Northwest wind 8 to 10 mph, with gusts as high as 20 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:
9:02 am CDT Mar 10, 2026
Forecast Valid:
9am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
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Additional Resources

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