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.

A Few Clouds

49°F

9°C

Humidity 21%
Wind Speed S 12 mph
Barometer 30.18 in (1023.4 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 28 Mar 5:55 pm CDT
Extended Forecast for

5 Miles SSW Sparta WI

  • Tonight

    Tonight: Partly cloudy, with a low around 36. South wind 7 to 9 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. South wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 48. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 62. Northwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 27. North wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. North wind around 7 mph becoming east in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. East wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. South wind 7 to 9 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 65. South wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 42. Calm wind.
Monday
Mostly sunny, with a high near 77. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 48. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 62. Northwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of rain and snow showers before 1am. Mostly cloudy, with a low around 27. North wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 48. North wind around 7 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 26. East wind 6 to 8 mph, with gusts as high as 18 mph.
Thursday
A slight chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 46. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. East wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 53. Southeast wind 8 to 10 mph, with gusts as high as 21 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 53. Southeast wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sparta WI
 43.89°N 90.82°W
Last Update:
5:01 pm CDT Mar 28, 2026
Forecast Valid:
6pm CDT Mar 28, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation