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.

Mostly Cloudy

51°F

11°C

Humidity 97%
Wind Speed Calm
Barometer 30.44 in (1031.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Sep 8:55 am CDT
Extended Forecast for

4 Miles NNW Sparta WI

  • Today

    Today: Sunny, with a high near 64. East wind 5 to 7 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 45. Light east wind.

    Low: 45 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 63. Southeast wind 3 to 8 mph.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 49. Southeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 67. Calm wind.

    High: 67 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 64. East wind 5 to 7 mph.
Tonight
Increasing clouds, with a low around 45. Light east wind.
Thursday
Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 50. Calm wind.
Friday
Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 49. Calm wind.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 63. Southeast wind 3 to 8 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 67. Calm wind.
Sunday Night
Mostly cloudy, with a low around 51. Calm wind.
Monday
Partly sunny, with a high near 72. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55. Light south wind.
Tuesday
Showers likely. Partly sunny, with a high near 68. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Sparta WI
 43.99°N 90.84°W
Last Update:
6:46 am CDT Sep 23, 2026
Forecast Valid:
9am CDT Sep 23, 2026-6pm CDT Sep 29, 2026
 
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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