Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

77°F

25°C

Humidity 50%
Wind Speed SE 6 mph
Barometer 29.85 in (1011.0 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 10 Oct 6:55 pm CDT
Extended Forecast for

3 Miles NNE Ontario WI

  • Tonight

    Tonight: Clear, with a low around 56. South wind 7 to 11 mph, with gusts as high as 32 mph.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. South wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 65. South wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 84. Southwest wind 5 to 8 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 60. Calm wind becoming northwest around 5 mph after midnight.

    Low: 60 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Northwest wind around 7 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am.  Mostly cloudy, with a low around 46. Light east wind.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 56. South wind 7 to 11 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 84. South wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Increasing clouds, with a low around 65. South wind 5 to 7 mph, with gusts as high as 21 mph.
Columbus Day
Mostly sunny, with a high near 84. Southwest wind 5 to 8 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. Calm wind becoming northwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 72. Northwest wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 48. Calm wind.
Wednesday
Mostly sunny, with a high near 67. Calm wind becoming northeast around 6 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 46. Light east wind.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 65. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44. Southeast wind 5 to 7 mph becoming calm. Winds could gust as high as 18 mph.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 60. Breezy, with a northwest wind 9 to 18 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 34. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 25 mph.
Saturday
Mostly sunny, with a high near 57. Northwest wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Ontario WI
 43.75°N 90.58°W
6:16 pm CDT Oct 10, 2026
7pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database