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.

Fair

57°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 29.96 in (1015.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Oct 8:55 pm CDT
Extended Forecast for

6 Miles SW Cataract WI

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 56. South wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 75. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 51. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Light southwest wind becoming west 5 to 9 mph in the morning.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 42. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 58. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Light and variable wind becoming south 5 to 7 mph in the evening.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. South wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Southwest wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 56. South wind 8 to 10 mph, with gusts as high as 22 mph.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 75. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 51. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 70. Light southwest wind becoming west 5 to 9 mph in the morning.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 58. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 40. Light and variable wind becoming south 5 to 7 mph in the evening.
Monday
Sunny, with a high near 66. South wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 40. Southwest wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 51. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 33. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 55. West wind 7 to 11 mph.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 37. Southwest wind around 7 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 54. Northwest wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Cataract WI
 44.04°N 90.93°W
Last Update:
8:46 pm CDT Oct 16, 2025
Forecast Valid:
9pm CDT Oct 16, 2025-6pm CDT Oct 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation