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

46°F

8°C

Humidity 55%
Wind Speed W 14 G 21 mph
Barometer 29.35 in (994.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 18 Feb 1:55 pm CST
Extended Forecast for

5 Miles SSW Sparta WI

  • This Afternoon

    This Afternoon: Rain before 5pm, then rain and snow. High near 49. Breezy, with a west wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Rain and snow before 1am, then a chance of snow between 1am and 2am. Low around 29. West wind 5 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: A 20 percent chance of rain after 4pm. Partly sunny, with a high near 44. Light and variable wind becoming north 5 to 7 mph in the afternoon.

    High: 44 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Snow, possibly mixed with rain, becoming all snow after midnight. Low around 26. Northeast wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 34. West wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of around an inch possible.

    High: 34 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. West wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 31. Northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Northwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 16 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain before 5pm, then rain and snow. High near 49. Breezy, with a west wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain and snow before 1am, then a chance of snow between 1am and 2am. Low around 29. West wind 5 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of rain after 4pm. Partly sunny, with a high near 44. Light and variable wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
Snow, possibly mixed with rain, becoming all snow after midnight. Low around 26. Northeast wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
A 50 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 34. West wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of around an inch possible.
Friday Night
Mostly cloudy, with a low around 20. West wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 31. Northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Northwest wind around 8 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 28. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 9. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 29. Northwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 13. Calm wind becoming south around 5 mph after midnight.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 40. South wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 40. West wind 6 to 9 mph.
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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:
3:16 pm CST Feb 18, 2026
Forecast Valid:
3pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation