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

59°F

15°C

Humidity 85%
Wind Speed Calm
Barometer 29.98 in (1015.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 May 9:55 pm CDT
Extended Forecast for

Cataract WI

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Light south wind.

    Low: 57 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: A chance of showers between 8am and 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 86. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. South wind around 7 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Southwest wind around 6 mph.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. Calm wind becoming east around 5 mph after midnight.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84. East wind 3 to 5 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Light south wind.
Memorial Day
A chance of showers between 8am and 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 86. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 61. South wind around 7 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 92. Southwest wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 60. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 55. Calm wind becoming east around 5 mph after midnight.
Thursday
Sunny, with a high near 84. East wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 54. Calm wind.
Friday
Mostly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 56. Calm wind.
Saturday
Mostly sunny, with a high near 81. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. Light east wind.
Sunday
Mostly sunny, with a high near 80. Calm wind becoming east around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cataract WI
 44.08°N 90.84°W
Last Update:
10:46 pm CDT May 24, 2026
Forecast Valid:
11pm CDT May 24, 2026-6pm CDT May 31, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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