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.

Fog/Mist

59°F

15°C

Humidity 97%
Wind Speed Calm
Barometer 30.04 in (1017.3 mb)
Dewpoint 58°F (14°C)
Visibility 4.00 mi
Last update 3 Oct 11:55 pm CDT
Extended Forecast for

Cataract WI

  • Overnight

    Overnight: Mostly clear, with a low around 63. Calm wind becoming south around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Breezy, with a south wind 6 to 16 mph, with gusts as high as 29 mph.

    High: 90 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind 10 to 13 mph, with gusts as high as 28 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Breezy, with a south wind 10 to 20 mph, with gusts as high as 32 mph.

    High: 83 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 67. Northwest wind around 6 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 63. Calm wind becoming south around 5 mph.
Saturday
Sunny, with a high near 90. Breezy, with a south wind 6 to 16 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 63. South wind 10 to 13 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 83. Breezy, with a south wind 10 to 20 mph, with gusts as high as 32 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 67. Northwest wind around 6 mph.
Monday Night
Partly cloudy, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 67. Calm wind becoming northwest 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 37. Calm wind.
Wednesday
Sunny, with a high near 65. Calm wind becoming southeast 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 38. Light southeast wind.
Thursday
Sunny, with a high near 68. South wind 3 to 8 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 47. South wind 3 to 5 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 68. South wind 5 to 8 mph becoming west 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:
10:13 pm CDT Oct 3, 2025
Forecast Valid:
12am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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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