Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

51°F

11°C

Humidity 94%
Wind Speed Calm
Barometer 29.76 in (1008.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 6 Oct 9:55 pm CDT
Extended Forecast for

4 Miles WNW Ontario WI

  • Tonight

    Tonight: Mostly clear, with a low around 51. Light and variable wind becoming west around 5 mph after midnight.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Light northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. West wind 3 to 5 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers.  Mostly sunny, with a high near 71. Light south wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. South wind 6 to 9 mph, with gusts as high as 24 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Breezy, with a south wind 9 to 16 mph, with gusts as high as 30 mph.

    Low: 59 °F

    Clear and
    Breezy then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Light and variable wind becoming west around 5 mph after midnight.
Wednesday
Sunny, with a high near 73. Light northwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 46. West wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming northwest 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 45. Calm wind.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 71. Light south wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 56. South wind 6 to 9 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south wind 11 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 59. Breezy, with a south wind 9 to 16 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 79. South wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 54. South wind 5 to 7 mph, with gusts as high as 20 mph.
Columbus Day
A 30 percent chance of showers. Partly sunny, with a high near 72. South wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51. South wind 6 to 8 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 64. South wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Ontario WI
 43.73°N 90.67°W
9:07 pm CDT Oct 6, 2026
10pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database