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.

Partly Cloudy

60°F

16°C

Humidity 98%
Wind Speed Calm
Barometer 29.98 in (1015.4 mb)
Dewpoint 60°F (16°C)
Visibility 8.00 mi
Last update 28 Jun 1:55 am CDT
Extended Forecast for

Cataract WI

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before noon. Patchy fog before 7am. Otherwise, partly sunny, with a high near 85. Calm wind becoming south 5 to 9 mph in the morning.

    High: 85 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South wind 3 to 6 mph.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 87. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light west wind. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. West wind 3 to 6 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. West wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. West wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before noon. Patchy fog before 7am. Otherwise, partly sunny, with a high near 85. Calm wind becoming south 5 to 9 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South wind 3 to 6 mph.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 87. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light west wind. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 60. West wind 3 to 6 mph.
Tuesday
Sunny, with a high near 83. West wind 5 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 61. West wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 5 mph becoming calm in the evening.
Independence Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cataract WI
 44.1°N 90.84°W
Last Update:
11:58 pm CDT Jun 27, 2025
Forecast Valid:
2am CDT Jun 28, 2025-6pm CDT Jul 4, 2025
 
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Additional Resources

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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