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.

A Few Clouds

79°F

26°C

Humidity 67%
Wind Speed W 12 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 4 Aug 2:55 pm CDT
Extended Forecast for

6 Miles SW Cataract WI

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms after 5pm. Mostly cloudy, with a high near 78. West wind around 6 mph. Chance of precipitation is 10%.

    High: 78 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 1am, then isolated showers between 1am and 3am. Mostly cloudy, with a low around 56. Light west wind. Chance of precipitation is 30%.

    Low: 56 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Light northwest wind.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 52. Calm wind.

    Low: 52 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Light south wind.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Sunny, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.

    High: 83 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms after 5pm. Mostly cloudy, with a high near 78. West wind around 6 mph. Chance of precipitation is 10%.
Tonight
Scattered showers and thunderstorms before 1am, then isolated showers between 1am and 3am. Mostly cloudy, with a low around 56. Light west wind. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 79. Light northwest wind.
Wednesday Night
Increasing clouds, with a low around 52. Calm wind.
Thursday
Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 57. Light south wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Saturday
A 20 percent chance of showers before 1pm. Sunny, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Light and variable wind.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Northeast wind 3 to 6 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Cataract WI
 44.04°N 90.93°W
Last Update:
1:26 pm CDT Aug 4, 2026
Forecast Valid:
3pm CDT Aug 4, 2026-6pm CDT Aug 11, 2026
 
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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