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

62°F

17°C

Humidity 96%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Aug 11:55 pm CDT
Extended Forecast for

6 Miles WNW La Farge WI

  • Overnight

    Overnight: Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Steady temperature around 62. Light northwest wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 76. Light northwest wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Sunny

  • Thursday Night

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

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. Southwest wind 3 to 6 mph.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Light south wind.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Steady temperature around 62. Light northwest wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 76. Light northwest wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 81. Light and variable wind.
Thursday Night
Mostly clear, with a low around 58. Light south wind.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. Southwest wind 3 to 6 mph.
Saturday
A 20 percent chance of showers after 1pm. Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Light south wind.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Light and variable wind.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Light and variable wind becoming southwest around 6 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 80. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW La Farge WI
 43.6°N 90.74°W
Last Update:
11:06 pm CDT Aug 4, 2026
Forecast Valid:
1am CDT Aug 5, 2026-6pm CDT Aug 11, 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