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

69°F

21°C

Humidity 47%
Wind Speed Calm
Barometer 30.36 in (1028.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 23 Sep 4:55 pm CDT
Extended Forecast for

Cataract WI

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Light east wind.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 67. Calm wind becoming southeast around 5 mph.

    High: 67 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70. Light east wind.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 66. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 66 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 49. Light southeast wind.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 66. Calm wind.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. Light east wind.
Thursday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 67. Calm wind becoming southeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 51. Calm wind.
Friday
Partly sunny, with a high near 70. Light east wind.
Friday Night
Mostly cloudy, with a low around 48. Calm wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 66. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49. Light southeast wind.
Sunday
Mostly cloudy, with a high near 66. Calm wind.
Sunday Night
Mostly cloudy, with a low around 48. Calm wind.
Monday
Partly sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 53. Light south wind.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 52. Southeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 64. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cataract WI
 44.1°N 90.81°W
Last Update:
4:36 pm CDT Sep 23, 2026
Forecast Valid:
5pm CDT Sep 23, 2026-6pm CDT Sep 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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