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Hazardous Weather Conditions

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Mostly Cloudy

68°F

20°C

Humidity 95%
Wind Speed Calm
Barometer 29.85 in (1010.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 5 Jun 1:55 am CDT
Extended Forecast for

Sparta / Fort McCoy Airport WI

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a steady temperature around 65. Calm wind.

    Low: 65 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 60. 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: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. Southeast wind around 7 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 81. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.

    High: 81 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a steady temperature around 65. Calm wind.
Friday
A chance of showers before 11am, then a slight chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 88. Calm wind.
Saturday Night
Mostly clear, with a low around 61. Calm wind.
Sunday
Mostly sunny, with a high near 84. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. Southeast wind around 7 mph, with gusts as high as 18 mph.
Monday
Showers and possibly a thunderstorm. High near 81. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Light southwest wind.
Tuesday Night
Partly cloudy, with a low around 67. Calm wind.
Wednesday
Mostly sunny and hot, with a high near 96. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72. South wind 5 to 7 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 99. South wind 5 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta / Fort McCoy Airport WI
 43.95°N 90.72°W
Last Update:
2:01 am CDT Jun 5, 2026
Forecast Valid:
2am CDT Jun 5, 2026-6pm CDT Jun 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