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

83°F

28°C

Humidity 62%
Wind Speed SW 6 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Aug 10:55 am CDT
Extended Forecast for

3 Miles SW Cataract WI

  • Today

    Today: Partly sunny, with a high near 90. Heat index values as high as 96. South wind 3 to 7 mph.

    High: 90 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 69. South wind 3 to 6 mph. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind 3 to 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Calm wind becoming east around 5 mph after midnight. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East wind 6 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 65. East wind around 7 mph. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    Heavy Rain

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind around 7 mph becoming southwest in the afternoon.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. North wind 3 to 6 mph.

    High: 80 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 90. Heat index values as high as 96. South wind 3 to 7 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 69. South wind 3 to 6 mph. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind 3 to 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Calm wind becoming east around 5 mph after midnight. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East wind 6 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 65. East wind around 7 mph. New rainfall amounts between 1 and 2 inches possible.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind around 7 mph becoming southwest in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 80. North wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 61. Light north wind.
Wednesday
Mostly sunny, with a high near 81. Light northeast wind.
Wednesday Night
Mostly clear, with a low around 60. Calm wind.
Thursday
Sunny, with a high near 83. Calm wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Cataract WI
 44.06°N 90.87°W
Last Update:
10:43 am CDT Aug 15, 2025
Forecast Valid:
11am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
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Additional Resources

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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