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

64°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 20 Sep 1:55 am CDT
Extended Forecast for

6 Miles SW Cataract WI

  • Overnight

    Overnight: Showers likely, mainly before 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. South wind 3 to 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Light south wind. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 73. Light south wind. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 73. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. Light northeast wind.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly before 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. South 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 chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Light south wind. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 58. Calm wind.
Monday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 73. Light south wind. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 56. Calm wind.
Tuesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 73. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. Light northeast wind.
Wednesday
Partly sunny, with a high near 72. Northeast wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 50. Light northeast wind.
Thursday
Mostly sunny, with a high near 70. Northeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 50. Light northeast wind.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 71. Calm wind becoming northwest around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Cataract WI
 44.04°N 90.93°W
Last Update:
2:13 am CDT Sep 20, 2025
Forecast Valid:
2am CDT Sep 20, 2025-6pm CDT Sep 26, 2025
 
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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