National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

75°F

24°C

Humidity 84%
Wind Speed Calm
Barometer 29.80 in (1009.0 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 16 Jun 7:55 pm CDT
Extended Forecast for

3 Miles E Sparta / Fort McCoy Airport WI

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 2am. Low around 63. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 81. West wind 5 to 7 mph.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. North wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 82. West wind 3 to 8 mph.

    High: 82 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 2am. Low around 63. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 81. West wind 5 to 7 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. North wind around 6 mph becoming calm in the evening.
Juneteenth
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 82. West wind 3 to 8 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 59. Light and variable wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 90. Southwest wind around 10 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 73. South wind 6 to 8 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 90. South wind 9 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. South wind around 11 mph, with gusts as high as 24 mph.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sparta / Fort McCoy Airport WI
 43.97°N 90.66°W
Last Update:
5:29 pm CDT Jun 16, 2025
Forecast Valid:
8pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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