Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

44°F

7°C

Humidity 82%
Wind Speed Calm
Barometer 29.74 in (1007.7 mb)
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Last update 25 Mar 10:55 pm CDT
Extended Forecast for

3 Miles ESE Ontario WI

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 3pm.  Partly sunny, with a high near 61. Light northeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 61 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. North wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. Light and variable wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20. Northwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 22 mph.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. South wind around 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. South wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. South wind around 8 mph.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. Light and variable wind.
Thursday
A 30 percent chance of showers, mainly before 3pm. Partly sunny, with a high near 61. Light northeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 23. North wind 5 to 11 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 43. Light and variable wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 20. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 22 mph.
Saturday
Mostly sunny, with a high near 51. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 34. South wind around 7 mph.
Sunday
Mostly sunny, with a high near 63. South wind 7 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 42. South wind around 8 mph.
Monday
Mostly sunny, with a high near 65. Northwest wind 6 to 8 mph becoming east in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 39. East wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 63. East wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 45. South wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 62. South wind 10 to 14 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Ontario WI
 43.71°N 90.53°W
3:06 pm CDT Mar 25, 2026
11pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026
 
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Additional Resources

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