National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Partly Cloudy

65°F

18°C

Humidity 53%
Wind Speed E 8 mph
Barometer 30.33 in (1027.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Sep 2:55 pm CDT
Extended Forecast for

4 Miles E Cashton WI

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 43. East wind 5 to 7 mph becoming calm in the evening.

    Low: 43 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. East wind 3 to 7 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 46. East wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Light southeast wind.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 64. Southeast wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 51. Southeast wind 5 to 7 mph.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 43. East wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 64. East wind 3 to 7 mph.
Wednesday Night
Increasing clouds, with a low around 46. East wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 65. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 50. Calm wind.
Friday
Partly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 49. Light southeast wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 64. Southeast wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51. Southeast wind 5 to 7 mph.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 67. South wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a low around 53. Calm wind.
Monday
Partly sunny, with a high near 72. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55. Calm wind becoming south around 5 mph after midnight.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 69. South wind 6 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:
4 Miles E Cashton WI
 43.75°N 90.7°W
Last Update:
3:31 pm CDT Sep 22, 2026
Forecast Valid:
3pm CDT Sep 22, 2026-6pm CDT Sep 29, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation