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

54°F

12°C

Humidity 57%
Wind Speed E 3 mph
Barometer 30.16 in (1021.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 22 May 7:55 am CDT
Extended Forecast for

Cataract WI

  • Today

    Today: Partly sunny, with a high near 66. Breezy, with an east wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 66 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. East wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 72. Southeast wind 3 to 7 mph.

    High: 72 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Light south wind.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 66. Breezy, with an east wind 9 to 17 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 50. East wind 7 to 14 mph, with gusts as high as 25 mph.
Saturday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 72. Southeast wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 49. Calm wind.
Sunday
Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. Calm wind.
Memorial Day
Sunny, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 58. Light south wind.
Tuesday
Sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 59. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59. East wind around 6 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind 5 to 9 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:
6:46 am CDT May 22, 2026
Forecast Valid:
8am CDT May 22, 2026-6pm CDT May 28, 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