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

67°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 29.96 in (1014.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 8 Aug 12:55 am CDT
Extended Forecast for

2 Miles NE Sparta WI

  • Overnight

    Overnight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 8am. Mostly cloudy, with a high near 83. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Calm wind.
Saturday
Sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 62. Calm wind.
Sunday
Showers and thunderstorms likely, mainly before 8am. Mostly cloudy, with a high near 83. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 30%.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%.
Tuesday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. Calm wind.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61. Calm wind.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 83. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 59. Calm wind.
Thursday
Partly sunny, with a high near 80. Light north wind.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Sparta WI
 43.95°N 90.78°W
Last Update:
1:26 am CDT Aug 8, 2026
Forecast Valid:
1am CDT Aug 8, 2026-6pm CDT Aug 14, 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