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

50°F

10°C

Humidity 36%
Wind Speed W 5 G 18 mph
Barometer 30.14 in (1021.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 5 Apr 12:55 pm CDT
Extended Forecast for

Sparta WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 54. West wind around 14 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers before 9pm. Mostly cloudy, with a low around 31. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43. Breezy, with a northwest wind 10 to 16 mph.

    High: 43 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Rain and snow showers likely, becoming all rain after 4am. Mostly cloudy, with a low around 31. Southeast wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 64. Breezy, with a south wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    High: 64 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 41. Southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. West wind around 14 mph.
Tonight
A 50 percent chance of showers before 9pm. Mostly cloudy, with a low around 31. Northwest wind 8 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, with a high near 43. Breezy, with a northwest wind 10 to 16 mph.
Monday Night
Mostly clear, with a low around 16. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Rain and snow showers likely, becoming all rain after 4am. Mostly cloudy, with a low around 31. Southeast wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 64. Breezy, with a south wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 41. Southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 58. Light north wind.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 35. Light and variable wind.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 60. Southeast wind 3 to 8 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:
1:26 pm CDT Apr 5, 2026
Forecast Valid:
1pm CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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