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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

6 Miles SW Cataract WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Northwest wind around 9 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 72. Northwest wind 8 to 11 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 48 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 74. West wind 5 to 8 mph.

    High: 74 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 51. West wind 3 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 75. Northwest wind 5 to 7 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers. Partly sunny, with a high near 73. East wind 3 to 7 mph.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 49. Northeast wind 3 to 6 mph.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Northwest wind around 9 mph, with gusts as high as 18 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 72. Northwest wind 8 to 11 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Juneteenth
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 74. West wind 5 to 8 mph.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 51. West wind 3 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 75. Northwest wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 52. Light and variable wind.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 73. East wind 3 to 7 mph.
Sunday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 49. Northeast wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 74. Northeast wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 50. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74. Calm wind.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75. Calm wind becoming west 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
 44.02°N 90.9°W
Last Update:
1:26 am CDT Jun 18, 2026
Forecast Valid:
3am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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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