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.

Overcast

42°F

6°C

Humidity 36%
Wind Speed S 10 mph
Barometer 30.29 in (1026.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 24 Mar 12:55 am CDT
Extended Forecast for

Cataract WI

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 35. South wind 3 to 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. South wind around 6 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Light south wind.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Light and variable wind becoming south around 6 mph in the morning.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Light south wind.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 61. Light northwest wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. North wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. Light north wind becoming northwest 5 to 9 mph in the morning.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21. West wind 3 to 6 mph.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 35. South wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 55. South wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Light south wind.
Wednesday
Partly sunny, with a high near 65. Light and variable wind becoming south around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 44. Light south wind.
Thursday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 61. Light northwest wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 23. North wind 6 to 11 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 43. Light north wind becoming northwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 21. West wind 3 to 6 mph.
Saturday
Sunny, with a high near 53. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 32. South wind around 5 mph.
Sunday
Partly sunny, with a high near 59. Southwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 35. South wind around 6 mph.
Monday
Mostly sunny, with a high near 66. South wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cataract WI
 44.08°N 90.81°W
Last Update:
12:26 am CDT Mar 24, 2026
Forecast Valid:
1am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation